Where does “autumnālis” come from?

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

Ancestry of “autumnālis”, step by step

StepLanguageWordMeaning
1Latinautumnusautumn, fall; autumn; autumnal
2Latinauctumnusautumn; autumn; autumnal
3Proto-Indo-Europeanh₃ewǵ-cold

Words derived from “autumnālis”

Every word from Proto-Indo-European h₃ewǵ- →Every word from Latin auctumnus →Every word from Latin autumnus →