English word autumn comes from Proto-Indo-European *h₃euǵ-, Proto-Indo-European *h₃ewǵ-, and later Latin auctumnus (Autumn (attributive), autumnal Autumn.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₃euǵ- | Proto-Indo-European (ine) | |
| *h₃ewǵ- | Proto-Indo-European (ine) | |
| auctumnus | Latin (lat) | Autumn (attributive), autumnal Autumn. |
| autumnus | Latin (lat) | Autumn, fall Autumn (attributive), autumnal. |
| autompne | Old French (fro) | |
| autumn | English (en) | Of or relating to autumn; autumnal (by extension) The time period when someone or something is past its prime.. Traditionally the third of the four seasons, when deciduous trees lose their leaves; typically regarded as being from September 24 to December 22 in parts of the Northern Hemisphere, and the months of March, April and May in the Southern Hemisphere. |