ἀποσκληρ-ύνω,
harden, [[ 5th c.BC: Hippocrates Medicus “Κωακαὶ προγνώσιες” 515] Refs 5th c.BC+]:—passive, [[ 4th c.BC: Aristoteles Philosophus “Mirabilia” 836b5, 4th-3rd c.BC: Theophrastus Philosophus “de Causis Plantarum” 3.16.2] Refs 4th c.BC+]; ἀπεσκληρυμμένοι, gloss on{ναρκώδεις}, [[ 1st c.AD: Erotianus Grammaticus ] Refs 1st c.AD+]