What the word does in English now
In ordinary English, means is the name for the method, instrument, or condition that gets something done. A bus is a means of transport. Diplomacy can be a means to an end. When the word names one strategy, it often takes a singular verb; when it names several strategies, a plural verb is natural. A second sense, later but equally common, is wealth and other resources: a person of means, living within one’s means. In that sense the grammar stays plural. The two uses still touch. Money is what you have at hand for accomplishing an object.
Readers looking for the origin of the word means often land first on the verb that means to intend or to signify. That verb is a native Germanic word. The noun is a French loan that began as a word for the middle.
Borrowed as a middle term
English took the noun in the Middle English period from Old French meien, also spelled moiien and moien, the source of modern French moyen. The French word served as both adjective and noun: middle, intermediate, something standing between two points. Anglo-French used a plural meines, and English kept that plural shape as the usual form of the method-and-money word.
The earliest English uses, around 1300, stay close to the French sense. As a noun, mean could be a middle state or a halfway point. One early setting was music: a tone that sits between two others. From there it was a short step to a person who stands between parties, an intermediary, a spokesman, a go-between. Middle English also used the word of Christ as mediator and of saints as intercessors. The same in-between idea covers an agent or instrument, the thing through which an action is accomplished. Late Middle English dictionaries still summarize the picture as the plural of mean, with an early sense of intermediary. That is the hinge. An intermediary is both in the middle and a way of getting something done.
The English -s is ordinary plural morphology, not a special suffix. Historically means is simply the plural of mean. Over time the plural form took over even when speakers had one method in mind. For the wealth sense, the plural is now the only standard form.
Latin medianus and an older root for middle
Old French meien comes from Late Latin medianus, of the middle, built on Latin medius, in the middle. The suffix is the familiar Latin -anus attached to the stem of medius. The deeper reconstruction is the Proto-Indo-European root for middle, the same family as English mid and middle, which English inherited through Germanic rather than through French.
Because the Latin adjective entered English more than once, the Romance noun has close doublets. Median is a later, more learned borrowing of the same Late Latin word. Medium is the Latin neuter used as a noun. Mediate, medial, and Mediterranean belong to the same cluster. None of these is the source of means, but they show how often English has reused the Latin middle.
Relatives in neighboring languages keep the middle-and-instrument pattern. French still has moyen and, in the plural, moyens for resources. German Mittel is both middle and means. Dutch middel works the same way. Spanish medio and Italian forms from Latin medius point back to the same idea. A tool is imagined as what stands between the agent and the result. That is why a word for the middle so often becomes a word for the method.
From go-between to method to money
By the late fourteenth century the modern range is already in view. Mean and means can be a course of action, a method, a way of attaining an end. Set phrases pile up in this period and just after it: by means of, by all means, ways and means. By no means is recorded from the late fifteenth century. Ways and means, resources at a person’s disposal, is attested from the early fifteenth century and already tilts the word toward what a person has, not only what a person does.
Around 1600 that tilt becomes a separate sense: wealth, the resources available for accomplishing an object. Man of means appears in the 1620s. The twentieth century added the bureaucratic compound means-test, an official inquiry into an applicant’s private resources, from 1930. The older middle senses did not vanish. The golden mean, moderation between extremes, and the mathematical mean, a quantity intermediate among others, stayed with the singular noun. The mathematical sense is recorded from the mid-fifteenth century. The plural means specialized as method and as money.
A few neighboring words have mixed with this history in speakers’ minds. English also has a native adjective mean, from Old English gemæne, common or shared, which later became low, shabby, or stingy. Some middling and middle-rank uses of the adjective are hard to assign cleanly to that native word or to the French one; historical dictionaries treat those cases as mixed. For the noun means, the Romance line is the one that matters. The verb that means intend is a third, unrelated word from Old English, with West Germanic relatives such as Dutch menen and German meinen.
What the plural still remembers
The useful marker is the French and German parallel. Moyens and Mittel still display the leap English made: from what is in the middle, to what you use, to what you can afford. If a means of transport and a person of means sound like two different words, they are one plural that kept moving along that path.