The story
- Proto-Indo-European*h₂welh₁-
- Proto-Indo-European*h₂wl̥h₁éh₁yeti
- Proto-Italic*walēō
- Latinvaleō
- Proto-Indo-European*dʰeh₁-
- Latinvalidus
- Middle Frenchvalide
- English todayvalid
Borrowed from Middle French valide (“healthy, sound, in good order”), from Latin validus, from valeō (“to be strong, to be healthy, to be worth”) + -idus, from Proto-Indo-European *h₂welh₁- (“be strong”).
Words from the same roots
Proto-Indo-European*h₂welh₁- all →
valuewildVladimirvaliantcuckoldvalencevalencyvaledictoryquantivalence
Etymology from Wiktionary, CC BY-SA 4.0.