③
起泡沫;吐白沫(泛沫)
相关 动词理据由名词「泡沫」动词化——泛出泡沫(foaming waves「泛着泡沫的浪」、foam at the mouth「口吐白沫」)。
例句
The dog was foaming at the mouth.那条狗口吐白沫;由泡沫转起泡沫(相关·词性)——吐白沫。The beer foamed over the glass.啤酒泛起泡沫漫过了杯沿;同此——起泡沫。
溯源路径本义 → 义项3