The Tocharian B word okt
Word okt
o k t
IPA okt
Meaning eight
See also Lycian: aitãta ‘eight’
Tocharian A: okät ‘eight’

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
ṣe ‘one’, wi ‘two’, trey ‘three’, śtwer ‘four’, piś ‘five’, okt-yaltse ‘eight thousand’, oktante ‘eighth’, oktamka ‘eighty’, piṅkte ‘fifth’, śtarte ‘fourth’, ñu ‘nine’, ñultse ‘nine thousand’, ñumka ‘ninety’, ñunte ‘ninth’, ṣukt ‘seven’, śak-ṣukt ‘seventeen’, ṣuktante ‘seventh’, ṣuktaṅka ‘seventy’, ṣkas ‘six’, śa(k)-ṣkäs ‘sixteen’, ṣkaste ‘sixth’, ṣkaska ‘sixty’, trite ‘third’, täryāka ‘thirty’, trai ‘three’