Where does “veterinară” come from?

veterinară (Romanian) comes from Serbo-Croatian veterinar, from French vétérinaire, from Latin veterīnārius, from Latin veterinum, from Latin veterinus, from Latin vetus, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

Ancestry of “veterinară”, step by step

StepLanguageWordMeaning
1Serbo-Croatianveterinarveterinarian, vet
2Frenchvétérinaireveterinary; veterinarian, veterinary surgeon, vet
3Latinveterīnāriusconcerned with the medical treatment of domestic animals
4Latinveterinumbeast of burden
5Latinveterinusrelated to carrying or drawing burdens
6Latinvetusold, aged, elderly, ancient; long-standing;...
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin vetus