Where does “turken” come from?

turken (English) comes from English Turkey, from Middle English Turkye, from Medieval Latin Turcia, from Latin Turcus, from Greek Τοῦρκος, from Persian ترک, from Middle Persian twlk', from Old Turkic 𐱅𐰇𐰼𐰜 — Turk, Turkic people.

Ancestry of “turken”, step by step

turken traces back through two separate lines of ancestry.

via English Turkey

StepLanguageWordMeaning
1EnglishTurkeyThe guinea fowl (family Numididae)
2Middle EnglishTurkye
3Medieval LatinTurcia
4LatinTurcusTurk
5GreekΤοῦρκοςmale Turk person from or who lives in Turkey
6Persianترکcrack
7Middle Persiantwlk'
8Old Turkic𐱅𐰇𐰼𐰜Turk
9Proto-Turkic*tür(ü)kTurk, Turkic people

via English Chicken

StepLanguageWordMeaning
1EnglishChickenA domesticated subspecies of red junglefowl (Gallus gallus domesticus)
2English-enDenotes the past participle form when attached to...
3Middle English-enDenotes the past participle form when attached to...
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix
Every word from Proto-Turkic *tür(ü)k