The story
- Ancient Greek · derived fromξῠλοσπόγγῐον
- Latin · borrowed fromxylospongium
- English todayxylospongium
From Latin xylospongium, from Ancient Greek ξῠλοσπόγγῐον (xŭlospóngĭon), diminutive of ξῠλόσπογγος (xŭlóspongos). By surface analysis, xylo- (“wood”) + sponge.
Etymology from Wiktionary, CC BY-SA 4.0.