ἱστίον

Ancient Greek

From ῐ̔στός (hĭstós, “mast”) +‎ -ῐ́ον (-ĭ́on, diminutive suffix).^[1]

ῐ̔στῐ́ον • (hĭstĭ́on) n (genitive ῐ̔στῐ́ου); second declension (Epic, Ionic, Attic, Doric)

(usually in the plural) sail
- 800 BCE – 600 BCE, Homer, Odyssey 4.781:
  ἐν δ’ ἱστόν τε τίθεντο καὶ ἱστία νηῒ μελαίνῃ
  en d’ histón te títhento kaì histía nēï̀ melaínēi
  They put the mast and sails onto the black ship

Second declension of τὸ ῐ̔στῐ́ον; τοῦ ῐ̔στῐ́ου (Attic)

Case / #	Singular	Dual	Plural
Nominative	τὸ ῐ̔στῐ́ον tò hĭstĭ́on	τὼ ῐ̔στῐ́ω tṑ hĭstĭ́ō	τᾰ̀ ῐ̔στῐ́ᾰ tằ hĭstĭ́ă
Genitive	τοῦ ῐ̔στῐ́ου toû hĭstĭ́ou	τοῖν ῐ̔στῐ́οιν toîn hĭstĭ́oin	τῶν ῐ̔στῐ́ων tôn hĭstĭ́ōn
Dative	τῷ ῐ̔στῐ́ῳ tōî hĭstĭ́ōi	τοῖν ῐ̔στῐ́οιν toîn hĭstĭ́oin	τοῖς ῐ̔στῐ́οις toîs hĭstĭ́ois
Accusative	τὸ ῐ̔στῐ́ον tò hĭstĭ́on	τὼ ῐ̔στῐ́ω tṑ hĭstĭ́ō	τᾰ̀ ῐ̔στῐ́ᾰ tằ hĭstĭ́ă
Vocative	ῐ̔στῐ́ον hĭstĭ́on	ῐ̔στῐ́ω hĭstĭ́ō	ῐ̔στῐ́ᾰ hĭstĭ́ă
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

^ Beekes, Robert S. P. (2010) “ἱστός (> DER ἱστίον)”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, page 602