From Wiktionary, the free dictionary
Formed in Mishnaic times from סְפוֹג (sp̄oḡ, “sponge”), itself from Ancient Greek σπόγγος (spóngos) or σφόγγος (sphóngos).
ס־פ־ג • (s-p-g)
- Forming words pertaining to absorption and soaking.
- “ספג” in the Hebrew Terms Database of the Academy of Hebrew Language
- “ס־פ־ג”, in Hebrew dictionary and conjugation tables, Pealim.com