The only free and comprehensive online etymological dictionary of the Spanish language
salir (Verb) "to leave"
12th cent. Old Spanish salir "to jump out," rarely "to leave." From Latin salire "to jump." From Proto-Italic *sal-je/o- "to jump." From Proto-Indo-European *sh2l-i̯e/o- 'id.'
Indo-European
Romance
Portuguese sair, Italian salire, Aromanian sar, Romanian sări, Sardinian salire
Hellenic
Ancient Greek ἅλλομαι (hállomai) "to jump"
Indo-Iranian
Sanskrit sisarṣi "you run"
Tocharian
A salat "flying," B salāte "to jumped"