PS

γaṣ̂arat- - a kind of slime (Kogan 2001:272-273)

Akkadian
ḫaṣartu - (green) dry mucus, nasal discharge (CAD Ḫ 130, AHw. 331)
Mehri
γəẑərā - slime (ML 149)
Jibbali
γaẓ̂rέ - slime (JL 93)