The Tocharian B word ṣuktaṅka
Word ṣuktaṅka
ʂ u k t ɐ ŋ k ɐ
IPA ʂuktɐŋkɐ
Meaning seventy

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 ‘eight’, 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’, ṣkas ‘six’, śa(k)-ṣkäs ‘sixteen’, ṣkaste ‘sixth’, ṣkaska ‘sixty’, trite ‘third’, täryāka ‘thirty’, trai ‘three’