| 1 | English | brace | Armor for the arm; vambrace; A measurement of... |
| 2 | Middle English | brace | Vambrace; armour which protects the arm; A cord... |
| 3 | Old French | brace | arm |
| 4 | Latin | bracchia | nominative plural of bracchium; accusative plural... |
| 5 | Latin | bracchium | forearm; arm; limb of an animal |
| 6 | Ancient Greek | βραχίων | the arm, the shoulder; comparative degree of... |
| 7 | Ancient Greek | βραχύς | short, brief; short, small, little; few |
| 8 | Proto-Indo-European | mréǵʰus | short; brief |
| 9 | Proto-Indo-European | mreǵʰ- | short |