The story
- Latin · derived frominfinitas“unlimitedness”
- Old French · derived frominfinité
- English todayinfinitude
From Old French infinité, from Latin infinitas (“unlimitedness”), from negative prefix in- (“not”), + finis (“end”), + noun of state suffix -tas.
Words from the same roots
Old Frenchinfinité all →
infinity
Latininfinitas all →
infinity
Etymology from Wiktionary, CC BY-SA 4.0.