A native English word
Love covers several kinds of attachment at once: kinship, friendship, romantic or sexual desire, religious devotion, and ordinary fondness for a place or a habit. Speakers also use it as a term of address and, in tennis, as a score of nothing. That last sense is a later sidestep. The core noun is not a medieval import.
The origin of the word love sits inside Germanic English. Old English already had lufu, with a weakly inflected variant lufe, in the period before 1150. Middle English kept the form as love, and the modern spelling follows from that line. The verb is equally old: Old English lufian meant to hold someone dear, to show care, or simply to take pleasure in a thing.
Inherited, not borrowed
After 1066 English took thousands of nouns from French. This one did not join that traffic. Standard dictionaries treat it as inherited from Germanic, not as a loan. Its closest recorded relatives are Old Frisian luve, Old Saxon luƀa, and Old High German luba, all in the range of affection or inclination. Gothic keeps the same stem inside brōþrulubō, a compound for love between brothers.
Comparativists reconstruct a Proto-Germanic feminine lubō (West Germanic lubu). The verb goes back to a Germanic formation on the same root; German lieben is a later member of that family. Noun and verb have travelled together. Neither is a Middle English invention built on a foreign stem.
Old English already used lufu for more than courtship. Surviving prose and verse show warm attachment, an act of kindness, religious caritas (God toward humans and humans toward God), fleshly passion, strong liking for a practice or a homeland, an object of desire, and Love as a personified figure. A milder sense of fondness is already there. Later English did not invent those layers; it rearranged them and added a few new ones.
Root, grades, and cousins
Handbooks connect the Germanic stem to a Proto-Indo-European root written leubh- or lewbʰ-, with a cluster of meanings around caring, desiring, and loving. That form is not a recorded word. It is inferred from matching descendants across the family.
Ablaut — vowel-grade variation of the same base — shows up elsewhere in Germanic. The e-grade is visible in English lief, once a common word for dear or willing, and in German lieb. Dutch liefde and German Liebe, the everyday nouns for love in those languages, belong to this broader set even though their exact formations differ from English lufu. The o-grade is often linked, with some caution, to English leave in the sense of permission granted, and to belief / believe. Those links are widely accepted in etymological handbooks, but they remain reconstruction rather than a paper trail from one attested word to another.
Outside Germanic the same root is easier to see in Latin lubet / libet (it pleases) and libido (desire), in Sanskrit lubhyati (desires), and in Slavic verbs such as Russian ljubit’. The Latin and Sanskrit relatives tilt toward pleasing and craving. Germanic kept a strong line of dearness and affection as well. None of that makes the English noun a loan from Latin. It is a cousin of libido, not a descendant of it.
The morphology of the English noun itself is simple: an old feminine ō-stem, not a prefix-plus-root compound. Attempts to split the modern spelling into meaningful pieces are folk analysis, not history.
Senses that arrived later
A few uses can be dated after Old English. The noun as a name for a beloved person is in place by the early thirteenth century. The verb’s weakened use, close to modern like, is recorded around 1200. An intransitive sense, to be in love, appears in the mid-thirteenth century. To fall in love is early fifteenth century; to be in love with someone is about 1500.
Make love, in the 1570s, meant paying amorous attention, not necessarily sex. The sexual euphemism is far later, around the mid-twentieth century. Love affair is late sixteenth century. Everyday phrases such as for love or money (late sixteenth century) keep the idea of doing something for no material return. No love lost is around 1600; early uses could describe unrequited feeling or, conversely, two people who loved each other well. The modern sense — two people who dislike each other — is already available in the 1620s and later became the usual reading.
Tennis love, a score of zero, is attested by 1742. The most plausible account derives it from playing for love: playing for no stakes, a usage already around in the 1670s. A popular rival story derives it from French l’œuf, the egg, because a zero looks like one. There is no good evidence for that: French tennis says zéro, and the egg-shaped-zero joke is a folk etymology. The for-love explanation is stronger, but it is still a hypothesis rather than a signed receipt.
Lief, Liebe, and the line English kept
English love and German Liebe look like twins and mean much the same, yet they are not the same word-form. Liebe grew from the dear-or-joy grade of the root (older High German liubī / liebe), while English kept the zero-grade noun lufu. Speakers of both languages still have a related adjective of dearness — German lieb, English the now-literary lief. That split is a useful reminder: a common Indo-European idea of wanting and holding dear branched inside Germanic into several nouns, and English happened to keep the older lubō line as its everyday word.