- frisky (adj.)
[frisky 词源字典]
- "gaily active," c. 1500, from Middle English adjective frisk "lively" (see frisk (v.) + -y (2). Related: Friskiness.[frisky etymology, frisky origin, 英语词源]
- risky (adj.)
- 1825, from risk (n.) + -y (2). Riskful in same sense is from 1793. Related: Riskiness.