Reconstruction:Proto-Turkic/-ka

• *-ke

*-ka

1. Suffix expressing the dative case.

   ‎*at (“horse”) + ‎*-ka → ‎*atka (“to a horse”)

1. The third person possessive suffix is merges unstable n and -k- to form -ŋa.

   ‎*anïŋ ebi (“his/her/its house”) + ‎*-ka → ‎*anïŋ ebiŋe (“to his/her/its house”)

2. Words with first person and second person possessive suffixes already end with m and ŋ. In such cases, k decreases.

   ‎*sẹniŋ ebiŋ (“your house”) + ‎*-ka → ‎*sẹniŋ ebiŋe (“to your house”)

   ‎*bẹniŋ ebim (“my house”) + ‎*-ka → ‎*bẹniŋ ebime (“to my house”)

3. When first and second person singular pronouns take it, they switch to a back voweled environment.

   ‎*sẹ (“you”) + ‎*-ka → ‎*saŋa (“to you”)

   ‎*bẹ (“I”) + ‎*-ka → ‎*baŋa (“to me”)

4. If it comes after an n sound, it turns into an ŋ sound.

   ‎*be(n-) (“I”) + ‎*-ka → ‎*baŋa (“to me”)

   ‎*biŕ(in-) (“we”) + ‎*-ka → ‎*biŕiŋe (“to us”)

• *-ni (“accusative case”)
• *-niŋ (“genitive case”)
• *-de (“locative case”)
• *-den (“ablative case”)
• *-gerü (“allative case”)
• *-če (“equative case”)

• Oghur:
  • Bulgar: نَ- (-ne, -na)
    • Chuvash: -на (-na)
• Common Turkic: