Where does “bigmouthed” come from?

bigmouthed (English) comes from English big, from Middle English big, from Proto-Germanic bugja-, from Proto-Indo-European bʰew- — to grow, swell; to swell, wax, grow; to blow; to...

bigmouthed (English): Loud or talkative, especially in an indiscreet...

Definitions

  1. Loud or talkative, especially in an indiscreet...

Ancestry of “bigmouthed”, step by step

bigmouthed traces back through two separate lines of ancestry.

via English big

StepLanguageWordMeaning
1EnglishbigOf great size, large; Thought to have undue...
2Middle Englishbig—
3Proto-Germanicbugja-swollen up, thick
4Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...

via English mouthed

StepLanguageWordMeaning
1EnglishmouthedHaving a specified type of mouth; simple past...
Every word from Proto-Indo-European bʰew- →Every word from Proto-Germanic bugja- →Every word from Middle English big →