Where does “ventilació” come from?
ventilació (Catalan) comes from Late Latin ventilatio, from Latin ventilō, from Latin ventus, from Proto-Italic wentos, from Proto-Indo-European h₂wéh₁n̥ts, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.
ventilació (Catalan): ventilation
Ancestry of “ventilació”, step by step