e 1 u 1 s 1 t 1 a 1 s 1 y 4
7 letters · 10 points in Scrabble
Meaning
originA back-formation from eustatic (borrowed from German eustatische (“eustatic”), from Ancient Greek εὖ (eû, “well, good”) + στάσις (stásis, “standing”)) + -y.
Etymology from Wiktionary, CC BY-SA 3.0