Where does “ace” come from?

ace (Old English) comes from Proto-West Germanic *aki, from Proto-Germanic akiz, from Armenian աքիս, from Old Armenian աքիս — weasel, least weasel, "Mustela nivalis".

Ancestry of “ace”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*aki—
2Proto-Germanicakizache, pain
3Armenianաքիսweasel, least weasel, "Mustela nivalis"
4Old Armenianաքիսweasel, least weasel, "Mustela nivalis"
Every word from Old Armenian աքիս →Every word from Armenian աքիս →Every word from Proto-Germanic akiz →