Where does “undergrowl” come from?

undergrowl (English) comes from English growl, from Middle English groulen, from Old French groler, from Frankish grullen, from Proto-Germanic gruljaną, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.

undergrowl (English): A subdued growling or grumbling

Definitions

  1. A subdued growling or grumbling

Ancestry of “undergrowl”, step by step

undergrowl traces back through two separate lines of ancestry.

via English growl

StepLanguageWordMeaning
1EnglishgrowlA deep, rumbling, threatening sound made in the...
2Middle Englishgroulen—
3Old Frenchgroler—
4Frankishgrullen—
5Proto-GermanicgruljanąTo make a sound; rumble; grumble; growl
6Proto-Indo-Europeanǵʰer-to yearn for; to enclose; bowels, intestines

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European ǵʰer- →Every word from Proto-Germanic gruljaną →Every word from Frankish grullen →