What the noun covers now
In present-day English, marriage names the recognized union of spouses, the condition of being married, and, by a short step, the wedding that creates that status. Speakers also use it figuratively for a close joining of things that are not people: a marriage of styles, of methods, of flavors. Those senses are ordinary. How English acquired this particular abstract noun is a separate story, and it is not a Germanic one.
The origin of the word marriage is a French borrowing built on a Latin verb for taking or giving a spouse. Older English already had native terms for the same social fact. What arrived in the Middle English period was a Romance label that became the default word for the institution, the state, and later the ceremony.
From Old French into Middle English
By about 1300, English texts were using mariage, taken from Old French and Anglo-French mariage. In twelfth-century French the noun already meant the married state and, in some uses, a dowry attached to a match. English dictionaries describe the French noun as formed from marier, to marry. Another line of reconstruction posits a Vulgar Latin *maritaticum in the eleventh century, from the Latin past participle maritatus, and treats that form as the shared source of Italian maritaggio and Spanish maridaje. The two accounts meet at the same point for English: the noun was borrowed from French, and the French word belongs to a Romance family that rests on Latin maritare.
The verb marry travelled the same route, from Old French marier, from Latin maritare, to wed, to give in marriage, or to take a husband or wife. Earliest English evidence for the verb also falls in the Middle English period, before the mid-fourteenth century. Once both words were in English, the noun could be read as marry plus the suffix -age, the French ending that turns a verb into a noun of action or condition. That parsing is historically real in French. It is not a later folk analysis invented to match the spelling.
The loan did not wipe out every native rival. Old English had sinscipe for the married condition, a compound of being together with a suffix of state. Wedding and wedlock remained. What French supplied was the general abstract noun that later English treated as the ordinary name of the institution.
The Latin husband behind the French verb
Latin maritare is derived from maritus. As a noun, maritus meant a married man, a husband. As an adjective it meant marital or conjugal, with a feminine marita used of a wife. That husband-word is still transparent across the Romance languages: French mari, Italian marito, Spanish and Portuguese marido, Catalan marit. English husband is Germanic and unrelated. The Romance husband-word is the same Latin stem that feeds marriage.
Classical Latin did not rely on a single all-purpose verb the way modern English does. A man might ducere uxorem, literally lead a wife. A woman might nubere, a verb often connected with covering or veiling. Maritare could apply to people and, in agricultural writing, even to the pairing of plants. It was already a more general verb than the husband noun it came from. That breadth helps explain why the later French and English nouns could name both the act of marrying and the lasting condition.
An older root that is still unsettled
Here the record splits, and the honest version is that the ultimate source of Latin maritus is uncertain.
An old explanation, going back to the grammarian Priscian and still repeated in some modern notes, ties maritus to mas, male. On that view a husband is simply marked as the male of the pair. Other authorities reject that first element. Comparative work, including the account in Michiel de Vaan's etymological dictionary of Latin, looks instead toward a Proto-Indo-European word for a young woman or young wife, reconstructed along the lines of *mari- or *mori-. Latin maritus would then have meant something like provided with a young woman, a possessive formation with a -to- suffix.
That second comparison is not empty. Welsh morwyn means girl or maiden, Welsh merch means daughter, Lithuanian merga means girl and marti daughter-in-law, Ancient Greek meirax could mean a young person, and Sanskrit marya- is a young man or suitor. A Crimean Gothic wedding-word is sometimes placed in the same set. None of these is an ancestor of the English noun. They are proposed cousins of the Latin husband-word. The link is plausible and still debated. It is safer to say that English inherited a Romance noun whose Latin base is not securely derived from mas, and that a young-woman etymology is the leading alternative, not a closed case.
How the English senses spread
The earliest Middle English uses already cover the act of entering wedlock, the state of being husband and wife, and a particular union. By the late fourteenth century the noun also names the vows and the ceremony, so marriage and wedding begin to overlap in ordinary speech even though their roots differ. Figurative use for an intimate joining that is not a legal wedding is in place by the late fourteenth and early fifteenth centuries. That is why English can speak of a marriage of two crafts without implying a household.
Later compounds show the noun settling into everyday life rather than changing its core. Marriage bed, for marital relations in general, is recorded from the sixteenth century, with bed of marriage earlier still. Marriage counseling as a named practice appears in the twentieth. Those dates track social history more than etymology. The French suffix and the Latin verb did not encode one modern legal model. Later speakers kept applying an old noun to new arrangements.
Spelling followed the verb. Middle English often kept the French look, mariage. The doubled r in marriage lines the noun up with marry, a common analogical spelling once the pair felt native.
Three English names, three roots
If one detail is worth keeping, it is the split among ordinary synonyms. Marriage is a French abstract built on a Latin word for husband. Matrimony is a different Latin abstract built on mater, mother. Wedlock is a native pledge-word. Three common English names for the same institution do not share a root. That split is the clearest fossil the lexicon still shows: English did not invent one home-grown label and stick to it. It stacked a Romance legal noun on top of Germanic wedding vocabulary, and it kept both.