Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 294
D bıçğıl
Hap. leg.; Dev. N. fr. biç-, Xak. xi bıçğıl şuqāqu l-yad wa’l-ricl wa kaḏālika şuqāqu l-arḍ ‘cracks in the hands or feet’, also ‘cracks in the ground’ Kaş. I 450; (in the grammatical introduction) bı:çğı:l (sic) ye:r şuqāqu l-arḍ, derived fr. bı:çı:ldı: (sic) ne:ŋ ‘the thing was cut’ (inqaṭa‘a) I 15, 4 (see bıçılğa:n).