Where does “Охоцуку” come from?

Охоцуку (Russian) comes from Japanese オホーツク, from Russian Охо́тск, from Even окат, from Proto-Tungusic *uKe.

Ancestry of “Охоцуку”, step by step

StepLanguageWordMeaning
1Japaneseオホーツク—
2RussianОхо́тскOkhotsk a settlement in Khabarovsk krai
3Evenокатriver
4Proto-Tungusic*uKe—
Every word from Proto-Tungusic *uKe →Every word from Even окат →Every word from Russian Охо́тск →