Where does “eustatically” come from?

eustatically (English) comes from English ally, from Middle English allie, from Middle English allien, from Old French alier, from Latin alligō, from Latin ad-, from Latin īn-, from Latin în — in.

eustatically (English): By means of eustasy

Definitions

  1. By means of eustasy

Ancestry of “eustatically”, step by step

eustatically traces back through two separate lines of ancestry.

via English ally

StepLanguageWordMeaning
1EnglishallyTo unite, or form a connection between, as...
2Middle EnglishallieThe state of having marital or family relations...
3Middle EnglishallienTo ally; to make a pact or confederacy; To marry...
4Old Frenchalierto unite; to join together
5Latinalligōto bind to, up or around something, tie, fetter, fasten; bandage
6Latinad-to; usually prefixed to verbs, in which cases it...
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

via English eustatic

StepLanguageWordMeaning
1EnglisheustaticOf or pertaining to eustasy
2Germaneustatische
3Ancient Greekεὖwell
4Ancient Greekἐΰςgood, brave, noble
5Proto-Hellenicehu-good
6Proto-Indo-Europeanh₁su-good
7Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-