The story
- Ancient Greek · derived fromσφήν“wedge”
- English todayspheno-
From Ancient Greek σφήν (sphḗn, “wedge”). By surface analysis, sphen- + -o-.
Words from the same roots
Ancient Greekσφήν all →
sphenesphenicsphenogramtribosphenic
Etymology from Wiktionary, CC BY-SA 4.0.