Clauson (1972)
An etimological dictionary of pre-thirteenth-century Turkish
p. 166
o:n
‘ten’. C.i.a.p.a.l.; the long vowel is shown by sporadic spellings of oon in Uyğ., by o:n in Kaş., vunâ, vonâ, vunnâ, vonnâ in Çuv. Ash. V 266-7 and uon in Yakut Pek. 3037. Türkü viii on I N 7; T 26; viii ff. Man. oon Chuas. 42; on do. 90: Yen. Mal. 26, 11; 28, 7; 29, 5; 30, 2: Uyğ. viii Şu. E 4, 5, 7: ix Suci 5; III C 4: viii ff. Man., Bud., Civ. common: xiv Chin.-Uyğ. Dict. on Ligeti 187: Xak. xi o:n al-‘aşara fi’l-‘adad ‘the number ten’ Kaş. I 49; o.o. I 69, 26; 219, 14: KB 132, 998, etc.: xiii At. (pains come) onun ‘ten at a time’ 210; Tef. 237: xiv Muh. ‘aşara o:n Mel. 18, 9 and 11; 81, 8 and 12; Rif. 97, 186: Çağ. xv ff. on (by implication, ‘with o-’) ‘adad-i dih San. 88v. 20: Xwar. xiv MN 61: Kıp. xiii ‘aşara on Hou. 22, 7: xiv on (with back vowel) ‘aşara İd. 23; Bul. 12, 12: xv ditto Kav. 39, 1 etc.; 65, 8; Tuh. 60b. 4 etc.