Where does “Գորբաչով” come from?

Գորբաչով (Armenian) comes from Russian Горбачёв, from Russian горба́ч, from Russian горб, from Old East Slavic гърбъ, from Proto-Slavic *gъrbъ.

Ancestry of “Գորբաչով”, step by step

StepLanguageWordMeaning
1RussianГорбачёв—
2Russianгорба́чhunchback; humpback
3Russianгорбhump, hunch
4Old East Slavicгърбъ—
5Proto-Slavic*gъrbъ—
Every word from Proto-Slavic *gъrbъ →Every word from Old East Slavic гърбъ →Every word from Russian горб →