The story
From neuro- + myasthenia. By surface analysis, neuro- (“nerve”) + my- (“muscle”) + a- (“not”) + sthen- (“strength”) + -ic (“adjective suffix”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: chronic fatigue syndrome Full definition →
From neuro- + myasthenia. By surface analysis, neuro- (“nerve”) + my- (“muscle”) + a- (“not”) + sthen- (“strength”) + -ic (“adjective suffix”).
Etymology from Wiktionary, CC BY-SA 4.0.