Where does “sweseros” come from?

sweseros (Proto-Celtic) comes from Proto-Celtic swīs, from Proto-Indo-European wōs.

Ancestry of “sweseros”, step by step

StepLanguageWordMeaning
1Proto-Celticswīsyou pl
2Proto-Indo-Europeanwōs—

Words derived from “sweseros”

Every word from Proto-Indo-European wōs →Every word from Proto-Celtic swīs →