Where does “valetudinarius” come from?
valetudinarius (Latin) comes from Latin valētūdō, from Latin valeō, from Proto-Italic walēō, from Proto-Indo-European h₂wl̥h₁éh₁yeti, from Proto-Indo-European h₂welh₁- — to rule; strong, powerful; hair; wool.
Ancestry of “valetudinarius”, step by step