ʸháṣ̌e - to irrigate (LS 142; CSOL I 695; CSOL II 629; Naumkin et al. 2016a:47; Naumkin–Kogan 2021 :529)

PS
*šḳy - to irrigate, to quench one’s thirst (HALOT 1639; Kogan 2011: 238)