Or qorach {ko'-rakh}; from qarach; ice (as if bald, i.e. Smooth); hence, hail; by resemblance, rock crystal -- crystal, frost, ice.
see HEBREW qarach
H7140. qerach
קֶ֫רַח noun masculineJob 38:29 frost, ice; — absolute ׳ק Genesis 31:40 +, קָ֑רַח Job 6:16 +; suffix קַרְחוֺ Psalm 147:17; —
1 frost of night (opposed to חֹרֶב of day), Genesis 31:40 (E), Jeremiah 36:30.
2 ice, Job 6:16; 37:10; 38:29 ("" כְפֹר hoarfrost), ק ׳מַשְׁלִיח כְפִתִּים Psalm 147:17 (Hup and others think of hail, but see Bae; "" קָרָה cold, כְּפוֺר שֶׁלֶג, 147:16); probably also ק ׳כְּעֵין Ezekiel 1:22 (so Krae; most crystal, after ᵐ5).
קרִיּוֺת קִרְיַת, קִרְיָה, קְרִי,, etc., see קרה.