Where does “non appena” come from?

non appena (Italian) comes from Italian non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

non appena (Italian): as soon as

Definitions

  1. as soon as

Ancestry of “non appena”, step by step

non appena traces back through two separate lines of ancestry.

via Italian non

StepLanguageWordMeaning
1Italiannonnot; un-; don't
2Latinnōnnot
3Old Latinnoenum
4Proto-Indo-Europeanóynosone; single

via Italian appena

StepLanguageWordMeaning
1Italianappenabarely, hardly; just, recently, newly; as soon as
2Spanishapenashardly, scarcely, barely; recently, just; as soon...
3Vulgar Latin*ad poenam
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn