Origin of astheniaModern Latin from Classical Greek astheneia, weakness from a-, without + sthenos, strength
Origin of astheniaNew Latin from Greek astheneia from asthenēs weak a- without ; see a- 1. sthenos strength ; see segh- in Indo-European roots.
(countable and uncountable, plural asthenias)
- (medicine) weakness; loss of strength
From Ancient Greek ἀσθένεια (asthénia), from ἀσθενής (asthenḗs, “sick, weak”), from ἀ- (a, “not, un-”) + σθένος (thénos, “strength”).