Proto-IE: *tAnk- / -e-, -g-
Meaning: thick, curdled (milk)
Old Indian: ā-tanakti `to cause coagulation', tanakti `to contract'; {ā-táṅgana- n. `Mittel zum Gerinnen, Lab'}; takra- n. `buttermilk mixed with water'
Other Iranian: NPers tanǯīδan `zusammenziehen', tang `eng'
Armenian: thanʒr, gen. thanʒu `dicht, dick'
Celtic: *tenkto-; *tenkō, *tenctō > Ir tēcht `geronnen'; con-tēcim `gerinne', tēchtaim id.
Russ. meaning: густой, створоженное (о молоке)
References: WP I 725
piet-meaning,piet-ind,piet-iran,piet-arm,piet-slav,piet-balt,piet-germ,piet-celt,piet-rusmean,piet-refer,