English
smectitic
From smectite + -ic.
Formed from smectite + -ic
Proto-Indo-European *sm̥H-yé-ti
Ancient Greek σμάω ‘to wipe, clean’
Ancient Greek σμήχω ‘to rub off’
English smectite
Today it means
adj Of or relating to smectite.
Sources
Sources: Wiktionary, “smectitic”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / smectitic