-gaç

Inherited from Ottoman Turkish ـكچ (-gaç, -geç) and sometimes ـكج (-gac, -gec), from Proto-Turkic *-gač, *-geč. In many cases in Modern Turkish the "g" falls off and the suffix presents as -aç/-eç.[1]

• IPA^(key): /ɡat͡ʃ/, /ɟet͡ʃ/, /kat͡ʃ/, /cet͡ʃ/

-gaç

1. Derives names of tools from verbs or nouns.[2]

   ‎yüz- (“to swim”) + ‎-geç → ‎yüzgeç (“fin, flipper”)

   ‎süz- (“to strain, to filter”) + ‎-geç → ‎süzgeç (“filter, sieve”)

   ‎kıs- (“to pinch, to tighten”) + ‎-kaç → ‎kıskaç (“clamp, pincers, claw”)

   ‎solu- (“to breathe”) + ‎-(n)gaç → ‎solungaç (“gill”)

   ‎bakır (“copper”) + ‎-aç → ‎bakraç (“a small copper bucket”)

   ‎ayır- (“to separate”) + ‎-aç → ‎ayraç (“separator, bookmark”)

   ‎kaldır- (“to lift”) + ‎-aç → ‎kaldıraç (“lever, crank”)

2. In rare cases derives adjectives from verbs, of inclination or habit.[2]

   ‎utan- (“to be ashamed, to be shy”) + ‎-gaç → ‎utangaç (“shy, timid”)

   ‎üşen- (“to feel too lazy (to do something)”) + ‎-geç → ‎üşengeç (“lazy, lethargic”)

   ‎gül- (“to smile, to laugh”) + ‎-eç → ‎güleç (“smiling often, habitually”)

   ‎alın- (“to be offended”) + ‎-gaç → ‎(regional) alıngaç (“shy, timid”)

3. Derives various nouns from verbs or other nouns.

   ‎sür- (“to drive, to last”) + ‎-eç → ‎süreç (“process, continuum”)

   ‎kaya (“stone, boulder”) + ‎-(a)ç → ‎kayaç (“rock(any naturally occurring solid mass or aggregate of minerals)”)

   ‎tümle- (“to complete, to complement”) + ‎-(e)ç → ‎tümleç (“object in a sentence”)