Possibly from Proto-Italic *dwenedgenos, from *dwened (“well”) (whence Latin bene (“well”)) + *genos (“origin”) (whence Latin genus (“origin”)). Compare malignus (“wicked, malicious”).
benignus (feminine benigna, neuter benignum); first/second declension
- kind, good, friendly, pleasant
- beneficent, obliging, bounteous
- (of things) favorable, mild
- (poetic, of things) fruitful, fertile, copious
- (poetic) lucky, propitious