חַלְחָלָה

From LSJ

ἀλλὰ τῷ ὕψει τῶν θείων ἐντολῶν σου → but by the sublimity of thy divine commandments

Source

English (Strong)

feminine from the same as חַלְחוּל; writhing (in childbirth); by implication, terror: (great, much) pain.