Where does “unmaturely” come from?

unmaturely (English) comes from English unmature, from English mature, from Middle English mature, from Middle French mature, from Latin mātūrus, from Proto-Celtic matus, from Czech -mat, from Czech automat — to think, mind; spiritual activity; to stay,...

Ancestry of “unmaturely”, step by step

unmaturely traces back through two separate lines of ancestry.

via English unmature

StepLanguageWordMeaning
1EnglishunmatureNot mature; immature
2EnglishmatureFully developed; grown up in terms of physical...
3Middle Englishmaturemature ripe
4Middle Frenchmature
5Latinmātūrusmature, full-grown
6Proto-Celticmatus
7Czech-mat
8Czechautomatautomaton; vending machine, automat
9Germanautomatautomaton, machine
10Ancient Greekαὐτόματονaccident, mere chance
11Ancient Greekαὐτόματοςself-willed, unbidden; self-moving,...
12Ancient Greekμέμααto wish eagerly, strive, yearn, desire
13Ancient Greekμέμοναto be minded or inclined; to be eager; to hasten
14Proto-Indo-Europeanmemóneto think, to be mindful; to remember
15Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European men-Every word from Proto-Indo-European memóneEvery word from Ancient Greek μέμονα