The Tocharian B word yokasto
Word yokasto
j o k ɐ s t o
IPA jokɐsto
Meaning drink
See also Tocharian B: yokänta ‘drinker’
Tocharian B: yok- ‘to drink’

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

Other words that might be of interest
oko ‘fruit’, misa ‘meat’, salyiye ‘salt’, kanti ‘bread’, kewiye ‘butter’, māśak ‘bean’, māṣikāni ‘bean, a kind of’, mutkavarṇi ‘bean, moth’, päk-1 ‘boil’, aise ‘cauldron, cooking pot’, ṣarwiye ‘cheese’, yäkṣiye ‘flour’, āhār ‘food’, śwātsi ‘food’, kariśke ‘fruit’, cautāṃ ‘honey’, mīt ‘honey’, kest ‘hunger’, kṣur ‘knife’, malkwer ‘milk’, kontac(e) ‘nut’, salyitstse ‘salty’, yokiye ‘thirst’, cagala ‘wine’