Where does “underbrace” come from?

underbrace (English) comes from English brace, from Middle English brace, from Old French brace, from Latin bracchia, from Latin bracchium, from Ancient Greek βραχίων, from Ancient Greek βραχύς, from Proto-Indo-European mréǵʰus — short.

underbrace (English): To brace, fasten, or bind underneath; The symbol...

Definitions

  1. To brace, fasten, or bind underneath; The symbol...

Ancestry of “underbrace”, step by step

underbrace traces back through two separate lines of ancestry.

via English brace

StepLanguageWordMeaning
1EnglishbraceArmor for the arm; vambrace; A measurement of...
2Middle EnglishbraceVambrace; armour which protects the arm; A cord...
3Old Frenchbracearm
4Latinbracchianominative plural of bracchium; accusative plural...
5Latinbracchiumforearm; arm; limb of an animal
6Ancient Greekβραχίωνthe arm, the shoulder; comparative degree of...
7Ancient Greekβραχύςshort, brief; short, small, little; few
8Proto-Indo-Europeanmréǵʰusshort; brief
9Proto-Indo-Europeanmreǵʰ-short

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 mreǵʰ-