- teachable (adj.)
[teachable 词源字典]
- late 15c., "capable of being taught" (of persons), from teach (v.) + -able. Of subjects, from 1660s. Teachable moment, attested from 1917, not common until after c. 1960, extends the sense to "appropriate for instruction." Related: Teachableness.[teachable etymology, teachable origin, 英语词源]