ἀνισχυρότης
From LSJ
τῶν λεγομένων τά μέν κατά συμπλοκήν λέγεται, τά δέ ἄνευ συμπλοκῆς → forms of speech are either simple or composite (Aristotle, Categoriae 1a16-17)
English (LSJ)
ητος, ἡ, A want of strength, Gloss.
Greek (Liddell-Scott)
ἀνισχυρότης: -ητος, ἡ ἔλλειψις ἰσχύος, Γλωσσ.
Spanish (DGE)
-ητος, ἡ debilidad, Gloss.2.228.