Where does “aftæn” come from?

aftæn (Old Danish) comes from Old Norse aptann, from Proto-Germanic ēbanþs, from Proto-Indo-European h₁epi, from Proto-Indo-European h₁eps.

Ancestry of “aftæn”, step by step

StepLanguageWordMeaning
1Old Norseaptannan evening
2Proto-Germanicēbanþsevening
3Proto-Indo-Europeanh₁epion, at, near
4Proto-Indo-Europeanh₁eps—

Words derived from “aftæn”

Every word from Proto-Indo-European h₁eps →Every word from Proto-Indo-European h₁epi →Every word from Proto-Germanic ēbanþs →