برغثبُرْغُوثٌ, (S, K,) also, accord. to Es-Suyootee, with fet-h and with kesr to the first letter, and Dmr says the like; [so that it is app. written also بَرْغُوثٌ, as it is commonly pronounced by the vulgar, though it is generally said that there is no word of this measure except صَعْفُوق; and بِرْغَوْثٌ, like بِرْذَوْنٌ, for there is no word of the measure فِعْلُولٌ;] but each of these two forms requires proof; (MF;) [like the Hebr. 165, which, accord. to Gesenius, is undoubtedly from an Æthiopic root signifying “to spring,” “to  dance;” The flea;] a certain insect (دُوَيْبَّة), resembling the حُرْقُوص; (TA;) well known: (K:) [a coll. gen. n.: n. un. with ة:] pl. بَرَاغِيثُ. (S.)