Feminine from the same as Chalchuwl; writhing (in childbirth); by implication, terror -- (great, much) pain.
see HEBREW Chalchuwl
H2479. chalchalah
חַלְחָלָה noun feminine anguish, ח מָתְנַי ׳מָֽלְאוּ Isaiah 21:3, ׳ח מתנים בכל Nahum 2:11; Ezekiel 30:4, 9 ("" החריד).
חַלְחָלָה noun feminine see I. חול.