1590s, "inflame with passion," from Italian impassionare "to fill with passion," from assimilated form of in- "in, into" (from PIE root *en "in") + passione "passion," from Latin passionem (see passion). Related: Impassioned; impassionable. Formerly also empassion.
impartiality
impartible
impassable
impasse
impassible
impassion
impassionate
impassioned
impassive
impassivity
impasto