Where does “infinity” come from?

Infinity derives from Old French infinité, from Latin infinitas meaning "boundlessness," built from the Latin negative prefix in- and the root meaning "end" or "limit."

infinity (English): Endlessness, unlimitedness, absence of a...

Definitions

  1. Endlessness, unlimitedness, absence of a...

Ancestry of “infinity”, step by step

StepLanguageWordMeaning
1Middle Englishinfinite—
2Old Frenchinfinité—
3Latininfinitasaccusative feminine plural of īnfīnītus;...
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

Words derived from “infinity”

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →