Where does “Proto-Turkic” come from?

Proto-Turkic (English) comes from English Turkic, from English turk, 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.

Proto-Turkic (English): A hypothetical proto-language from which Old Turkic and all the other Turkic languages later emerged

Definitions

  1. A hypothetical proto-language from which Old Turkic and all the other Turkic languages later emerged

Ancestry of “Proto-Turkic”, step by step

StepLanguageWordMeaning
1EnglishTurkicOf or relating to this language group or the...
2EnglishturkA person of an ethnically diverse linguistic group that speaks the Turkic languages
3TurkishTürkTurk; Turkish
4Ottoman TurkishتركTurk
5Persianترکcrack
6Middle Persiantwlk'
7Old Turkic𐱅𐰇𐰼𐰜Turk
8Proto-Turkic*tür(ü)kTurk, Turkic people
Every word from Proto-Turkic *tür(ü)kEvery word from Old Turkic 𐱅𐰇𐰼𐰜Every word from Middle Persian twlk'