تَجَرْثَمَ: see 3, in two places.

تجرثم الشَّىْءَ He took the greater, main, or chief, part of the thing. (Ḳ.)

اِجْرَنْثَمَ He, or it, drew himself, or itself, together; contracted; or shrank: (TA, Ḥar p. 297:) from جُرْثُومَةٌ signifying the “earth collected around a tree.” (Ḥar ib.) Also, andتجرثم↓, It (a thing, Ṣ) collected itself together, or became collected, (Ṣ, Ḳ,) and kept to a place. (Ḳ.) Hence, in a trad., وَعَادَ لَهَا النِّقادُ مُجْرَنْثِمًا↓ And the lambs, by reason of it, namely, the vehement drought, became collected, or drawn, together [in one place, and kept to it]. (TA.)

He (a man, TA) fell from a high, or higher, to a low, or lower, place; as alsoتجرثم↓. (Ḳ, TA.)

جُرْثُومَةٌ [and accord. to Golius, as on the authority of the Ṣ, جُرْثُومٌ, but this I have. not found in any Lexicon but his and that of Freytag,] The root, lowest part, base, stock, or source, syn. أَصْلٌ, of a thing; (Ṣ, Mgh, Ḳ;) whatever the thing be; (Mgh;) as alsoجُرْثُمَةٌ↓: (TA:) and the place of collection thereof: (Mgh, TA:) or the earth that is collected at the roots, or lower parts, of trees: (Ḳ:) or the earth collected around a tree: (Ḥar p. 297:) or the root of a tree to which the earth is collected: (Lth, TA:) pl. جَرَاثِيمُ. (Mgh.) One is related to have said, الأَسْدُ جُرْثُومَةُ العَرَبِ فَمَنْ أَضَلَّ نَسَبَهُ فَلِيَأْتِهِمْ [ElAsd are those, of the Arabs, to whom most others congregate: therefore whoever loses his genealogy, let him come to them]: meaning الأَزْدُ. (TA.) And جَرَاثِيمُ جَهَنَّمَ means The greater, main, or chief, degrees of the punishment of Hell. (Mgh.)

The base (أَصْل) of a sandhill overlooking what surrounds it. (Ḥar p. 99.) And the pl. (جراثيم), Places elevated above the ground, composed of clay and earth collected together. (TA.)

The earth collected by ants; (TA;) an ant-hill: (Ḳ:) or جُرْثُومَةُ النَّمْلِ signifies the ant-hill. (Ṣ.)

The earth, or dust, that the wind raises, or sweeps up and scatters. (Ḳ.)

The غَلْصَمَة [or epiglottis]. (Ḳ.)

مُجْرَنْثِمٌ: see 3.

رَكَبٌ مُجْرَنْثَمٌ [in the CK, erroneously, رَكْبٌ مُجْرَنْثَمٌ,] i. q. مُسْتَهْدِفٌ, (Ḳ, TA, [in the CK, erroneously, مُسْتَهْدَفٌ,]) i. e., A wide, elevated pubes. (TA in art. هدف.)