Where does “mouth off” come from?

mouth off (English) comes from English mouth, from Middle English mouþ, from Old English mūþ, from Proto-West Germanic *munþ, from Proto-Germanic munþaz, from Proto-Indo-European men- — to think, mind; spiritual activity; to stay,...

mouth off (English): To complain or otherwise express oneself in a...

Definitions

  1. To complain or otherwise express oneself in a...

Ancestry of “mouth off”, step by step

StepLanguageWordMeaning
1EnglishmouthThe opening of a creature through which food is...
2Middle EnglishmouþAlternative form of mouth
3Old Englishmūþmouth, opening, door, gate
4Proto-West Germanic*munþmouth
5Proto-Germanicmunþazmouth
6Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...
Every word from Proto-Indo-European men- →Every word from Proto-Germanic munþaz →Every word from Proto-West Germanic *munþ →