Origins
The word poem carries one of the most elegant metaphors in all of etymology. It comes from Greek poíēma, which means simply 'a thing made'.
The Greek verb poieîn meant 'to make' or 'to create' in the broadest sense. A potter makes pots. A builder makes houses. A poet makes poems. The Greeks saw no fundamental distinction between these acts — all were poiēsis, the act of bringing something into existence that did not exist before.
This philosophy shaped how the ancient world understood literature. A poet was a poiētḗs, a maker. The Scots preserved this idea independently: their word for poet is 'makar', from the same concept. Robert Burns was a makar — a craftsman of language.
Proto-Indo-European Roots
The deeper root may be Proto-Indo-European *kʷey- meaning 'to pile up' or 'to build', connecting the poet to the mason and the architect. A poem is a structure built from words, assembled with the same care as stones in a wall.
When the word entered English via French in the 1540s, it had lost this artisanal directness. But the etymology remembers: a poem is not an outpouring of feeling. It is a made thing.