maligno
/maˈliɡno/ · B2 · adj
malicious, malevolent
😈 maligno = mal (bad) + -igno, from Latin malignus: bad-natured
Spanish mal means bad, and maligno comes from Latin malignus, bad-born or ill-natured. It is the opposite of benigno (benign), which shares the same -igno ending with bene (good). Maligno shows up in medicine for malignant tumors and in speech for the devil.