Where does “Yamantürk” come from?

Yamantürk (Turkish) comes from Turkish Türk, from Ottoman Turkish ترك, from Persian ترک, from Middle Persian twlk', from Old Turkic 𐱅𐰇𐰼𐰜, from Proto-Turkic *tür(ü)k — Turk, Turkic people.

Ancestry of “Yamantürk”, step by step

Yamantürk traces back through two separate lines of ancestry.

via Turkish Türk

StepLanguageWordMeaning
1TurkishTürkTurk; Turkish
2Ottoman TurkishتركTurk
3Persianترکcrack
4Middle Persiantwlk'—
5Old Turkic𐱅𐰇𐰼𐰜Turk
6Proto-Turkic*tür(ü)kTurk, Turkic people

via Turkish yaman

StepLanguageWordMeaning
1Turkishyamanterrible, bad
2Ottoman Turkishیامانbad, evil, wicked, malicious, malevolent, intending to do harm, characterized by spite and malice
3Azerbaijaniyamanbad; evil; difficult, hard, harsh
4Proto-TurkicyAmanbad, wicked
Every word from Proto-Turkic *tür(ü)k →Every word from Old Turkic 𐱅𐰇𐰼𐰜 →Every word from Middle Persian twlk' →