The story
- Latin · derived fromquid“what”
- Late Latin · derived fromquidditās
- Old French · derived fromquidité
- Middle English · inherited fromquidite
- English todayquiddity
From Middle English quidite, from Old French quidité, and its source, Late Latin quidditās, from Latin quid (“what”) + -itas (“-ness”) (whence -ity).
Words from the same roots
Latinquid all →
quid
Etymology from Wiktionary, CC BY-SA 4.0.