Where does “Tatary” come from?

Tatary (English) comes from Polish Tatary, from Polish -y, from Old Polish -y, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei — to go.

Ancestry of “Tatary”, step by step

Tatary traces back through two separate lines of ancestry.

via Polish Tatary

StepLanguageWordMeaning
1PolishTatary
2Polish-ynominative plural ending of some masculine nouns;...
3Old Polish-yforms adjectives
4Proto-Slavicthis; he
5Proto-Balto-Slavicthis
6Old Polishto go
7Proto-Slavicjьtito go
8Proto-Balto-Slaviceiteito go
9Proto-Indo-Europeanh₁éytito go, to be going
10Proto-Indo-Europeanh₁ey-to go

via Old French Tartaire

StepLanguageWordMeaning
1Old FrenchTartaireA Tartar or Tatar (a member of the Turco-Mongol peoples who conquered parts of Asia and Eastern Europe in the 13th century)
2Medieval LatintartarusTatar
3LatintartarusA river of Venetia that used to flow into the Adriatic Sea, now called Tartaro
4Ancient GreekΤάρταροςTartarus
5Ancient GreekΤαρτησσόςTartessus; Tartessos
6Ancient GreekἩράκλειοι Στῆλαι
Every word from Proto-Indo-European h₁ey-Every word from Proto-Indo-European h₁éytiEvery word from Proto-Balto-Slavic eitei
Tatary — Etymology, Origin & Word History | Etymology Explorer