Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 161
VUD öme:le:-
Hap. leg.; Den. V. fr. öme:; not connected, as Thomsen suggested, with SE Tar. ömüle- ‘to crawl’ which is merely a much altered Sec. f. of emgekle:-. Türkü viii er öme:leyü barmı:ş teŋri:ke: soku:şmı:ş ‘a man went visiting and met a god’ IrkB 47.