Meaning

adjective relating to a technique in which the body is entered by puncture or incision

adjective marked by a tendency to spread especially into healthy tissue

adjective involving invasion or aggressive attack

originPIE word *h₁én The adjective is derived from Middle English invasif (“of a weapon: offensive”), from Middle French invasif, Old French invasif (“invasive”) (modern French invasif), from Medieval Latin invāsīvus, from Latin invāsus (“entered; invaded”) + -īvus (suffix forming adjectives). Invāsus is the perfect passive participle of invādō (“to enter; to invade”), from in- (prefix meaning ‘in,…

Etymology from Wiktionary, CC BY-SA 3.0