Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 293
D bıçak
Dev. N. (N.I.) fr. bıç-; ‘knife’ and the like. S.i.a.m.l.g. w. back vowels, and also w. front vowels in some SC, NW languages. See Doerfer II 721, 844. Uyğ. viii ff. Bud. bıçak U IV 32, 7 (eligle:-); yiti biçekin ‘his sharp knife’ U III 64, 9: Civ. biçek uçında ‘on the point of a knife’ H I 117; a.o. H II 30, 167: Xak. xi biçek al-sikkīn ‘a knife’ Kaş. I 384 (prov.); over 20 o.o., normally same translation, once al-sayf ‘sword’: KB (he holds) bedük bir biçekig ‘a big knife’ 772; o.o. 810-1, 4131: xiii(?) Tef. bıçak 105: xiv Muh. al-sikkīn bı:ça:k Mel. 12, 1 ff.; 71, 6; Rif. 86, 173: Çağ. xv ff. biçek iğne, sūzan ma‘nâsına ‘needle’ Vel. 134 (quotn.); bıçak (‘with -ç-’) kārd ‘knife’, in Ar. sikkīn San. 199r. 7 (quotn.); biçek (spelt) sūzan, in Ar. ibra do. 144r. 9: Xwar. xiv bıçak ‘knife’ Nahc. 214, 7: Kom. xiv ‘knife, dagger’ bıçak CCI, CCG; Gr.: Kıp. xiv bıçak (with -ç-) al-sikkīn İd. 29: xv sikkīn bışak (sic) Kav. 44, 13; 64, 1; al-ṭabar ‘axe’ nācik, ?error for bıçak do. 63, 19; ḥaṣṣād ‘reaper’ (sic, but apparently an alteration) bıçak Tuh. 13b. 2; sikkīn bıçak 19b. 4: Osm. xiv ff. bıçak in several phr. TTS I 95; II 136; IV 99.