- gratitude (n.)
[gratitude 词源字典]
- mid-15c., "good will," from Middle French gratitude (15c.) or directly from Medieval Latin gratitudinem (nominative gratitudo) "thankfulness," from Latin gratus "thankful, pleasing" (see grace (n.)). Meaning "thankfulness" is from 1560s.[gratitude etymology, gratitude origin, 英语词源]