"upper limb," Old English earm "arm," from Proto-Germanic *armaz (cf. Old Saxon, Danish, Swedish, Middle Dutch, German arm, Old Norse armr, Old Frisian erm), from PIE root *ar- "fit, join" (cf. Sanskrit irmah "arm," Armenian armukn "elbow," Old Prussian irmo "arm," Greek arthron "a joint," Latin armus "shoulder"). Arm of the sea was in Old English. Arm-twister "powerful persuader" is from 1938. Arm-wrestling is from 1899.
They wenten arme in arme yfere Into the gardyn [Chaucer]
"weapon," c.1300, armes (plural) "weapons of a warrior," from Old French armes (plural), "arms, war, warfare," mid-13c., from Latin arma "weapons" (including armor), literally "tools, implements (of war)," from PIE root *ar- "fit, join" (see arm (n.1)). The notion seems to be "that which is fitted together." Meaning "heraldic insignia" (in coat of arms, etc.) is early 14c.; originally they were borne on shields of fully armed knights or barons.
name for the god of dreams in Ovid, son of Sleep, literally "the maker of shapes," from Greek morphe "form, shape, figure," especially "a fine figure, a beautiful form; beauty, fashion, outward appearance," perhaps from PIE *merph-, a possible Greek root meaning "form." Related: Morphean. Cf. Morpho, an epithet of Aphrodite, literally "shapely."
arm 1 (ärm)
An upper limb of the human body, connecting the hand and wrist to the shoulder.
A Roman god of sleep and dreams.
Note: Someone who is “in the arms of Morpheus” is asleep.
Note: The narcotic morphine was named after Morpheus.
used to denote power (Ps. 10:15; Ezek. 30:21; Jer. 48:25). It is also used of the omnipotence of God (Ex. 15:16; Ps. 89:13; 98:1; 77:15; Isa. 53:1; John 12:38; Acts 13:17)