Lexical Definition

‎שָׁלַג‎ shâlag (shaw-lag') to snow ^H:V
a primitive root; properly, meaning to be white; used only as denominative from ‎שֶׁלֶג‎

be as snow.

• to be snow-white (with the linen clothing of the slain)

1) (Hiphil) to snow, be as snow

Brown-Driver-Briggs

[‎שָׁלַג‎] verb denominative Hiph`il snow; — Imperfect 3 feminine singular ‎תַּשְׁלֵג‎ (Ges^{«GKC:109k»§ 109k}), impersonal Ps 68:15* it snows on almon (meaning obscure).

Brown-Driver-Briggs References