Where does “autumnal” come from?

autumnal (German) comes from Latin autumnālis, from Latin autumnus, from Latin auctumnus, from Proto-Indo-European h₃ewǵ- — cold.

autumnal (German): autumnal

Definitions

  1. autumnal

Ancestry of “autumnal”, step by step

StepLanguageWordMeaning
1Latinautumnālis—
2Latinautumnusautumn, fall; autumn; autumnal
3Latinauctumnusautumn; autumn; autumnal
4Proto-Indo-Europeanh₃ewǵ-cold
Every word from Proto-Indo-European h₃ewǵ- →Every word from Latin auctumnus →Every word from Latin autumnus →
autumnal — Etymology, Origin & Word History | Etymology Explorer