- thankful (adj.)
[thankful 词源字典]
- Old English þancful "satisfied, grateful," also "thoughtful, ingenious, clever;" see thank + -ful. Related: Thankfully; thankfulness. Thankfully in the sense "thankful to say" is attested by 1966, but deplored by purists (compare hopefully).[thankful etymology, thankful origin, 英语词源]