Where does “eustatic” come from?

eustatic (English) comes from German eustatische, from Ancient Greek εὖ, from Ancient Greek ἐΰς, from Proto-Hellenic ehu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

eustatic (English): Of or pertaining to eustasy

Definitions

  1. Of or pertaining to eustasy

Ancestry of “eustatic”, step by step

eustatic traces back through two separate lines of ancestry.

via German eustatische

StepLanguageWordMeaning
1Germaneustatische
2Ancient Greekεὖwell
3Ancient Greekἐΰςgood, brave, noble
4Proto-Hellenicehu-good
5Proto-Indo-Europeanh₁su-good
6Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via French eustatique

StepLanguageWordMeaning
1Frencheustatiqueeustatic

Words derived from “eustatic

Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Proto-Hellenic ehu-
eustatic — Etymology, Origin & Word History | Etymology Explorer