The story
- Latin · derived fromquadrāgēnus“40 each”
- French · derived fromquadragénaire
- Latin · learned borrowing fromquadrāgēnārius“containing 40”
- English todayquadragenarious
Learned borrowing from Latin quadrāgēnārius (“containing 40”), either directly or via French quadragénaire, from Latin quadrāgēnus (“40 each”) + -ārius (“-ary”), from quadrāgintā (“four tens, forty”). Doublet of quadragenarian, quadragenary, and quadragene.
Words from the same roots
Latinquadrāgēnārius all →
Frenchquadragénaire all →
Latinquadrāgēnus all →
Etymology from Wiktionary, CC BY-SA 4.0.