Where does “Ciocănău” come from?

Ciocănău (Romanian) comes from Romanian ciocan, from Ottoman Turkish çekiç, from Old Turkic çekük, from Proto-Turkic *čekük.

Ancestry of “Ciocănău”, step by step

StepLanguageWordMeaning
1Romanianciocanhammer
2Ottoman Turkishçekiç—
3Old Turkicçekük—
4Proto-Turkic*čekük—
Every word from Proto-Turkic *čekük →Every word from Old Turkic çekük →Every word from Ottoman Turkish çekiç →