The Old Norse word armr
Word armr
a r m r
Meaning arm

Other words that might be of interest
and ‘spirit, soul’, bein ‘bone, legs’, magi ‘belly, stomach’, blóð ‘blood’, andlauss ‘breathless, lifeless’, eyra ‘ear’, egg ‘egg’, auga ‘eye’, fjøðr ‘feather’, hold ‘flesh’, fótr ‘foot’, hár ‘hair’, hønd ‘hand’, høfuð ‘head’, hjarta ‘heart’, horn ‘horn’, kné ‘knee’, lifr ‘liver’, kjøt ‘meat, flesh’, munni ‘mouth, opening’, hals ‘neck’, nøs ‘nostril, nose’, skinn ‘skin, fur’, hali ‘tail’, bita ‘to cut into bits, to bite’, deyða ‘to kill’, sofa ‘to sleep’, tunga ‘tongue’, tønn ‘tooth’, spor ‘track, footprint’, vápn ‘weapon’, vømb ‘womb’