Meaning

noun a compact mass

originPossibly a blend of blob + gob, or a clipping of globule. An element of sound symbolism is clearly involved: compare such phonetically and semantically similar words as glop, gop, lob, blob, lump, clump and clod. (Still, globe, clump and clod may be related via the Proto-Indo-European root *gel-; compare clew.) In the biological sense, proposed by Bevil R. Conway and Doris Y. Tsao, by analogy…

Etymology from Wiktionary, CC BY-SA 3.0