From a (as a negative particle) and the base of sthenoo; strengthless (in various applications, literal, figurative and moral) -- more feeble, impotent, sick, without strength, weak(-er, -ness, thing).
see GREEK a
see GREEK sthenoo
ἀσθενεῖς (astheneis) − 7 Occurrences
ἀσθενὲς (asthenes) − 2 Occurrences
ἀσθενέσιν (asthenesin) − 2 Occurrences
ἀσθενέστερα (asthenestera) − 1 Occurrence
ἀσθενεστέρῳ (asthenesterō) − 1 Occurrence
ἀσθενῆ (asthenē) − 3 Occurrences
ἀσθενὴς (asthenēs) − 6 Occurrences
ἀσθενοῦς (asthenous) − 2 Occurrences