جُرْثُومَةٌ
1.
[and according to Golius, as on the authority of the S, جُرْثُومٌ, but this I have. not found in any Lexicon but his and that of Freytag,] The root, lowest part, base, stock, or source, synonym أَصْلٌ, of a thing; (S, Mgh, K;) whatever the thing be; (Mgh;) as also
جُرْثُمَةٌ: (TA:) and the place of collection thereof: (Mgh, TA:) or the earth that is collected at the roots, or lower parts, of trees: (K:) or the earth collected around a tree: (Har p. 297:) or the root of a tree to which the earth is collected: (Lth, TA:) plural 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.)
2.
The base (أَصْل) of a sandhill overlooking what surrounds it. (Har p. 99.) And the plural (جراثيم), Places elevated above the ground, composed of clay and earth collected together. (TA.)
3.
4.
The earth, or dust, that the wind raises, or sweeps up and scatters. (K.)
5.
The غَلْصَمَة [or epiglottis]. (K.)