Where does “Karabük” come from?

Karabük (English) comes from Turkish Karabük, from Ottoman Turkish قره بوك, from Ottoman Turkish قره, from Ottoman Turkish آغاج, from Proto-Turkic ïgač — tree.

Ancestry of “Karabük”, step by step

StepLanguageWordMeaning
1TurkishKarabük—
2Ottoman Turkishقره بوك—
3Ottoman Turkishقرهblack; alternative form of قاره
4Ottoman Turkishآغاجtree
5Proto-Turkicïgačtree
Every word from Proto-Turkic ïgač →Every word from Ottoman Turkish آغاج →Every word from Ottoman Turkish قره →