Where does “subitaneously” come from?

subitaneously (English) comes from English subitaneous, from Latin subitāneus, from Latin subitus, from Latin subeo, from Latin eō, from Proto-Italic eō, from Proto-Italic ejō, from Proto-Indo-European h₁éyti — to go.

subitaneously (English): suddenly

Definitions

  1. suddenly

Ancestry of “subitaneously”, step by step

subitaneously traces back through two separate lines of ancestry.

via English subitaneous

StepLanguageWordMeaning
1Englishsubitaneoussudden
2Latinsubitāneussudden, unexpected
3Latinsubitusapproached; succeeded; occurred
4LatinsubeoI go under, come under; enter; I go up to,...
5Latinto go, to fare, to move (oneself) (any kind of animate or inanimate motion: walk, ride, sail, fly, etc.)
6Proto-ItalicI go
7Proto-Italicejō
8Proto-Indo-Europeanh₁éytito go, to be going
9Proto-Indo-Europeanh₁ey-to go

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁ey-