Where does “irreptitiously” come from?

irreptitiously (English) comes from English irreptitious, from Latin irrēpō, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

irreptitiously (English): In an irreptitious manner

Definitions

  1. In an irreptitious manner

Ancestry of “irreptitiously”, step by step

irreptitiously traces back through two separate lines of ancestry.

via English irreptitious

StepLanguageWordMeaning
1Englishirreptitioussurreptitious; spurious
2Latinirrēpōto creep into
3Latinīn-un-, non-, not
4Latinînin, at, on, upon, from (space)
5Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
6Proto-Italicenin
7Proto-Indo-Europeanh₁énin

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →