Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 928
?D yalım
N.S.A. fr. 2 *yal-, syn. w. yalt, q.v.; normally used to qualify kaya:; ‘bare’, i.e. free from vegetation. Survives by itself and w. kaya: in NE Koib. yalım R III 169; Khak., Tuv. çalım; and in SW Osm. yalım ‘a flat, bare, smooth surface; one surface of a blade; a bevelled cutting edge’; dağ yalımı ‘the steep slope of a mountain’ Red. 2192. Türkü viii ff. yalım kayağ ‘the bare rock’ IrkB 40; a.o. 49 (ımğa:): Xak. xi yalım kaya: al-şux wa huwa’l-cabalu’l-ṣald ‘a cliff, that is a bare mountain (side)’ Kaş. III 19 (prov.): Osm. xiv ff. yalım in yalım kaya and other phr.; in several texts TTS I 772; II 982; III 758; IV 829.