1. Etymology of the English word arm

Derivations in English

forearm, forearm, armband, armful, armguard, armlet, armload, armlock, armpad, armpatch, armrest, sidearm, underarm, yardarm, overarm, armless, armhole, armed, arming

Cognates

Dutch arm, French armer, German armieren, German arm, German Arm, Icelandic armur, Italian armare, Latin armare, Spanish armar, Swedish arm

2. Etymology of the English word arm

Derivations in English

firearm, rearm, armed