verb/impeɾmeabiliˈθaɾ/
to waterproof; to make impenetrable
Etymology tree Spanish impermeable Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōlbor. Old Spanish -izar Spanish -izar Spanish impermeabilizar From impermeable + -izar.