Where does “*ikūr” come from?

*ikūr (Proto-Celtic) comes from Proto-Indo-European yókʷr̥, from Proto-Indo-European -r̥ — Derives nouns from roots, frequently mass nouns.

Ancestry of “*ikūr”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanyókʷr̥liver
2Proto-Indo-European-r̥Derives nouns from roots, frequently mass nouns

Words derived from “*ikūr

Every word from Proto-Indo-European -r̥Every word from Proto-Indo-European yókʷr̥