σκληρότης, ητος, ἡ,
hardness, opposed to μαλακότης, [[ 5th-6th c.BC: Plato Philosophus “Respublica” 523e, 4th c.BC: Aristoteles Philosophus “de Partibus Animalium” 644b14, +others ] Refs 5th c.BC+]
__2 of taste, harshness, οἴνου [[ 4th-3rd c.BC: Theophrastus Philosophus “de Causis Plantarum” 6.14.12. ] Refs 4th c.BC+]
__3 stiffness, rigidity, [[ 4th c.BC: Aristoteles Philosophus “Problemata” 881a10. ] Refs 4th c.BC+]
__4 ἡ τῆς κοιλίης σ. costivity, [[ 5th c.BC: Hippocrates Medicus “Aër.” 7. ] Refs 5th c.BC+]
__II of persons, harshness, austerity, τοῦ δαίμονος [[ 5th c.BC: Antipho Orator 3.3.4; σ. καὶ ἀγροικία 5th-6th c.BC: Plato Philosophus “Respublica” 607b, compare 410d; παράδειγμα σκληρότητος 4th c.BC: Aristoteles Philosophus “Poetica” 1454b14. ] Refs 5th c.BC+]