Neurasthenia=النوراستينيا النهك العصبي

Neurasthenia=النوراستينيا النهك العصبي

ONLINE ETYMOLOGY DICTIONARY

neurasthenia (n.)

"nervous exhaustion," 1854, medical Latin, from neur- (form of neuro- before a vowel) + asthenia, from Gk. aisthesis "feeling," from PIE root *au- "to perceive" (see audience). Related: Neurasthenic.

neuro-

before vowels neur-, word-forming element meaning "pertaining to a nerve or nerves or the nervous system," from Gk. neuro-, comb. form of neuron "nerve," originally "sinew, tendon, cord, bowstring," also "strength, vigor," from PIE *(s)neu- "tendon, sinew" (see nerve).