See the entire entry for ṭmš vb. to immerse

TgPs80:6 :ואשקיתן חמר דמעא תלתי : you gave us wine of one third tears (??)  [?= MT וַתַּשְׁקֵמוֹ בִּדְמָעוֹת שָׁלִישׁ] †

See the entire entry for tlāṯī, tlāṯīṯā n.m. one-third portion