- intractable (adj.)
[intractable 词源字典]
- c. 1500, "rough, stormy;" 1540s, "not manageable," from Latin intractabilis "not to be handled, unmanageable," from in- "not, opposite of" (see in- (1)) + tractabilis (see tractable). Related: Intractably.[intractable etymology, intractable origin, 英语词源]