Etymology of the English word neurasthenia
the English word neurasthenia
using the English prefix neur-
derived from the English word asthenia
derived from the Latin word asthenia (anesthesia, anaesthesia)
derived from the Greek word astheneia, ἀσθένεια (feebleness (of mind or body); by implication, malady; morally, frailty)
derived from the Greek word sthenos, σϑένος, στενός (strength; narrow (from obstacles standing close about))
derived from the Proto-Indo-European root *segh-
using the Greek prefix a-, ἀ- (an- not, without)
