PC

*yāriy- - early rain (Kogan 2015: 315)

The origin of PC *yāriy- is uncertain, but it is tempting to surmise (with DRS 621‒622) a connection with the widely attested verbal root *rwy ‘to be saturated with water’ (for which v. HALOT 1194‒1195 and CDG 478).

Ugaritic
yr - early rain (DUL 977)
Hebrew
yōrǟ - early rain (HALOT 404)