Where does “Dokuzsofu” come from?

Dokuzsofu (Turkish) comes from Turkish dokuz, from Ottoman Turkish طقوز, from Proto-Turkic tokuŕ — nine.

Ancestry of “Dokuzsofu”, step by step

StepLanguageWordMeaning
1Turkishdokuznine
2Ottoman Turkishطقوزnine
3Proto-Turkictokuŕnine
Every word from Proto-Turkic tokuŕ →Every word from Ottoman Turkish طقوز →Every word from Turkish dokuz →