Where does “ventilação” come from?
ventilação (Portuguese) comes from Latin ventilationem, 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.
ventilação (Portuguese): ventilation
Ancestry of “ventilação”, step by step