Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 164
D emsi:-
Hap. leg.; Simulative f. of em-. Türkü viii ff. (a rich man’s sheep ran away in a fright and met a wolf) böri: ağzı: emsi:-mi:ş ‘the wolf’s mouth watered’ IrkB 27.