Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 574
tezek
âdungâ; more specifically âanimal dungâ. S.i.a.m.l.g. unchanged; l.-w. in Pe. and other languages, see Doerfer II 902. TĂŒrkĂŒ viii ff. IrkB 23 (bul-): Xak. xi tezek rautu'l-faras âhorse dungâ KaĆ. I 386 (prov.): ĂaÄ. xv ff. tezek (spelt) sargÄ«n-i dawÄbb âanimal dungâ San. 194r. 21 (quotn.): Kip. xiii ziblu'l-faras âhorse dungâ tezek Hou. 13, 1: xiv tezek âdry dungâ İd. 38; dezek ditto 48: xv cilla âdungâ tezek Tuh. 11b. 2; zibl tezek do. 18a. 11.