Mehri

ṭáyri - to get wet, damp; to be fresh (ML 411)

PWS
*ṭry - to be fresh, raw, wet (Kogan 2015: 177)
There is no direct parallel to PWS *ṭry ‘to be fresh, raw’ in Akkadian, but cf. perhaps ṭerû ‘to extract, to press out liquid; to ooze