- -tude
[-tude 词源字典]
- syllable formed when the word-forming element -ude, making abstract nouns from adjectives and participles, is fixed to a base or to another suffix ending in -t or -te; from French -ude, from Latin -udo (stem -udin-). The equivalent of native -ness.[-tude etymology, -tude origin, 英语词源]