From earlier -uous, alteration of -wose, -wos, a variant of -wise, from Middle English -wise, -wis, -wys, from Old English -wīs (“-wise”). More at -wise.
- Used with nouns to form adjectives with the sense of resembling to or having the characteristics of the suffixed term; similar to -ous.
- righteous, mighteous, thefteous, lighteous, misteous, timeous, wrongeous
Chiefly from -ous with preceding vowel (compare -ious); compare also Latin -eus; but also by concatenation with English -te (an earlier form of -ty).
- Used to form adjectives meaning resembling or having characteristics of the related term.