- froth (n.)
[froth 词源字典]
- c. 1300, from an unrecorded Old English word, or else from Old Norse froða "froth," from Proto-Germanic *freuth- "froth" (cognates Swedish fradga, Danish fraade). Old English had afreoðan "to froth," from the same root. The modern verb is late 14c., from the noun. Related: Frothed; frothing.[froth etymology, froth origin, 英语词源]