Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 119
D 2 ögüş-
Recip./Co-op. f. of ögi:-. Survives in NE Tuv. ögeş- ‘to rub one another’ and the like; must also have survived fairly recently in SW Osm. since in a xvii-xviii Ar. dict. daras (of the teeth) ‘to be set on edge’ is translated ekşi nesne çiğnemek ile diş ögüşmek ‘to grind one’s teeth owing to biting something sour’ TTS I 736 (uyuşmak). Türkü viii ff. toğan kuşu:g tırŋakı: ögü:şü:pen ‘the falcon’s claws ground against one another’ IrkB 44: Xak. xi ol maŋa: tarığ ögüşdi: ‘he helped me to grind the corn’ (fī ṭaḥni’l-burr, etc.); also used for competing Kaş. I 187 (ögüşü:r, ögüşme:k).