- formidable (adj.)
[formidable 词源字典]
- mid-15c., "causing fear," from Middle French formidable (15c.), from Latin formidabilis "causing fear, terrible," from formidare "to fear," from formido "fearfulness, fear, terror, dread." Sense has softened somewhat over time, in the direction of "so great (in strength, size, etc.) as to discourage effort." Related: Formidably.[formidable etymology, formidable origin, 英语词源]