Where does “immensively” come from?

immensively (English) comes from English immensive, from English immense, from Middle French immense, from Latin immensus, from Latin in-, from Latin in, from Old Latin en, from Proto-Italic en — in.

Ancestry of “immensively”, step by step

immensively traces back through two separate lines of ancestry.

via English immensive

StepLanguageWordMeaning
1Englishimmensivehuge
2EnglishimmenseHuge, gigantic, very large; Supremely good;...
3Middle Frenchimmense
4Latinimmensusimmeasurable, boundless, endless, vast, immense
5Latinin-un-, non-, not; in, within, inside
6Latininin, at, on, upon, from; within, while in; into,...
7Old Latinenin
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁énEvery word from Proto-Italic enEvery word from Latin in-