Where does “eu” come from?

eu (Translingual) comes from Spanish euskera, from Basque euskera, from Basque euskara, from Proto-Basque euscala.

Ancestry of “eu”, step by step

StepLanguageWordMeaning
1SpanisheuskeraBasque, of the Basque language; the Basque...
2BasqueeuskeraThe Basque language
3BasqueeuskaraThe Basque language
4Proto-Basqueeuscala—

Words derived from “eu”

Every word from Proto-Basque euscala →Every word from Basque euskara →Every word from Basque euskera →