Where does “smartmouth” come from?

smartmouth (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,...

smartmouth (English): One who makes disrespectful, flippant remarks; a...

Definitions

  1. One who makes disrespectful, flippant remarks; a...

Ancestry of “smartmouth”, step by step

smartmouth traces back through two separate lines of ancestry.

via English mouth

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,...

via English Smart

StepLanguageWordMeaning
1EnglishSmart
2EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
3Middle Englishnesse
4Old Englishnæsnot, not at all; not; first/third-person singular...
5Proto-Germanicnasjąfoothill; headland; cape
6Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European men-Every word from Proto-Germanic munþazEvery word from Proto-West Germanic *munþ