Where does “tanai” come from?

tanai (Proto-Celtic) comes from Latin Tanais, from Ancient Greek Τάναϊς, from Proto-Indo-European dʰenh₂- — to set in motion; to flow.

Ancestry of “tanai”, step by step

tanai traces back through 3 separate lines of ancestry.

via Latin Tanais

StepLanguageWordMeaning
1LatinTanais—
2Ancient GreekΤάναϊς—
3Proto-Indo-Europeandʰenh₂-to set in motion; to flow

via Proto-Indo-European tn̥néh₂

StepLanguageWordMeaning
1Proto-Indo-Europeantn̥néh₂a stretch
2Proto-Indo-Europeanten-to stretch, to extend

via Proto-Malayo-Polynesian *anay

StepLanguageWordMeaning
1Proto-Malayo-Polynesian*anaytermite, white ant any insect of infraorder
2Proto-Austronesian*anaytermite, white ant any insect of infraorder
Every word from Proto-Indo-European dʰenh₂- →Every word from Ancient Greek Τάναϊς →Every word from Latin Tanais →