ἕξις

Ancient Greek

From ἔχω (ékhō, “to have”) +‎ -σις (-sis).^[1]

ἕξῐς • (héxĭs) f (genitive ἕξεως); third declension

an act of having, possession
- 366 BCE – 348 BCE, Plato, Theaetetus 197B
- 386 BCE – 367 BCE, Plato, Cratylus 414B
- 428 BCE – 347 BCE, Plato, Laws 625C
a being in a certain state, a permanent condition, produced by practice
1. a state or habit of body, especially a good habit
  - 460 BCE – 370 BCE, Hippocrates of Kos, Aphorisms 1245
  - 460 BCE – 370 BCE, Hippocrates of Kos, On Joints 789
  - 430 BCE – 354 BCE, Xenophon, Memorabilia 1.2.4
  - 460 BCE – 370 BCE, Hippocrates of Kos, Surgery 740
2. a state or habit of mind
  - 428 BCE – 347 BCE, Plato, Laws 650B
  - 366 BCE – 348 BCE, Plato, Theaetetus 153B
  - 366 BCE – 348 BCE, Plato, Theaetetus 167A
  - 380 BCE, Plato, The Republic 591B
  - 384 BCE – 322 BCE, Aristotle, Nicomachean Ethics 1.8.9
  - 384 BCE – 322 BCE, Aristotle, Nicomachean Ethics 2.1.7
  - 384 BCE – 322 BCE, Aristotle, Nicomachean Ethics 3.7.6
  - 384 BCE – 322 BCE, Aristotle, Metaphysics 4.20
3. skill as the result of practice, experience
  - 428 BCE – 347 BCE, Plato, Phaedrus 268E
  - 384 BCE – 322 BCE, Aristotle, Problems 30.2

Third declension of ἡ ἕξῐς; τῆς ἕξεως (Attic)

Case / #	Singular	Dual	Plural
Nominative	ἡ ἕξῐς hē héxĭs	τὼ ἕξει tṑ héxei	αἱ ἕξεις hai héxeis
Genitive	τῆς ἕξεως tês héxeōs	τοῖν ἑξέοιν toîn hexéoin	τῶν ἕξεων tôn héxeōn
Dative	τῇ ἕξει tēî héxei	τοῖν ἑξέοιν toîn hexéoin	ταῖς ἕξεσῐ / ἕξεσῐν taîs héxesĭ(n)
Accusative	τὴν ἕξῐν tḕn héxĭn	τὼ ἕξει tṑ héxei	τᾱ̀ς ἕξεις tā̀s héxeis
Vocative	ἕξῐ héxĭ	ἕξει héxei	ἕξεις héxeis
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

^ Beekes, Robert S. P. (2010) “ἑκτικός”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, pages 398-9