Where does “at” come from?

at (Old Danish) comes from Old Norse át, from Proto-Germanic at, from Proto-Germanic ētą, from Proto-Germanic etaną, from Proto-Indo-European h₁édti, from Proto-Indo-European h₁ed- — to eat.

Ancestry of “at”, step by step

StepLanguageWordMeaning
1Old Norseátthe act of eating; food; first-person singular...
2Proto-Germanicatat, toward, to
3Proto-Germanicētąthe act of eating; food
4Proto-Germanicetanąto eat
5Proto-Indo-Europeanh₁édtito eat
6Proto-Indo-Europeanh₁ed-to eat

Words derived from “at”

Every word from Proto-Indo-European h₁ed- →Every word from Proto-Indo-European h₁édti →Every word from Proto-Germanic etaną →
at — Etymology, Origin & Word History | Etymology Explorer