ἴδιος

See also: ίδιος

Ancient Greek

Inherited from Proto-Hellenic *hwédios, from Proto-Indo-European *swéd-yo-s, from *swé (“self”). Equivalent to ἕ (hé) +‎ -ῐος (-ios).^[1]

ῐ̓́δῐος • (ídios) m (feminine ῐ̓δῐ́ᾱ, neuter ῐ̓́δῐον); first/second declension

Number	Singular			Dual			Plural
Case/Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Nominative	ῐ̓́δῐος ídios	ῐ̓δῐ́ᾱ idíā	ῐ̓́δῐον ídion	ῐ̓δῐ́ω idíō	ῐ̓δῐ́ᾱ idíā	ῐ̓δῐ́ω idíō	ῐ̓́δῐοι ídioi	ῐ̓́δῐαι ídiai	ῐ̓́δῐᾰ ídia
Genitive	ῐ̓δῐ́ου idíou	ῐ̓δῐ́ᾱς idíās	ῐ̓δῐ́ου idíou	ῐ̓δῐ́οιν idíoin	ῐ̓δῐ́αιν idíain	ῐ̓δῐ́οιν idíoin	ῐ̓δῐ́ων idíōn	ῐ̓δῐ́ων idíōn	ῐ̓δῐ́ων idíōn
Dative	ῐ̓δῐ́ῳ idíōi	ῐ̓δῐ́ᾳ idíāi	ῐ̓δῐ́ῳ idíōi	ῐ̓δῐ́οιν idíoin	ῐ̓δῐ́αιν idíain	ῐ̓δῐ́οιν idíoin	ῐ̓δῐ́οις idíois	ῐ̓δῐ́αις idíais	ῐ̓δῐ́οις idíois
Accusative	ῐ̓́δῐον ídion	ῐ̓δῐ́ᾱν idíān	ῐ̓́δῐον ídion	ῐ̓δῐ́ω idíō	ῐ̓δῐ́ᾱ idíā	ῐ̓δῐ́ω idíō	ῐ̓δῐ́ους idíous	ῐ̓δῐ́ᾱς idíās	ῐ̓́δῐᾰ ídia
Vocative	ῐ̓́δῐε ídie	ῐ̓δῐ́ᾱ idíā	ῐ̓́δῐον ídion	ῐ̓δῐ́ω idíō	ῐ̓δῐ́ᾱ idíā	ῐ̓δῐ́ω idíō	ῐ̓́δῐοι ídioi	ῐ̓́δῐαι ídiai	ῐ̓́δῐᾰ ídia
Derived forms	Adverb			Comparative			Superlative
Derived forms	ῐ̓δῐ́ως idíōs			ῐ̓δῐώτερος idiṓteros			ῐ̓δῐώτᾰτος idiṓtatos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

^ Beekes, Robert S. P. (2010) “ἴδιος”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), volume I, with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, pages 577-578

“ἴδιος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
“ἴδιος”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
“ἴδιος”, in Autenrieth, Georg (1891) A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
ἴδιος in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
Bauer, Walter et al. (2001) A Greek–English Lexicon of the New Testament and Other Early Christian Literature, Third edition, Chicago: University of Chicago Press
ἴδιος in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
G2398 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible
Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎, London: Routledge & Kegan Paul Limited.
- distinctive idem, page 241.
- domestic idem, page 246.
- exclusive idem, page 289.
- independent idem, page 432.
- individual idem, page 434.
- own idem, page 587.
- particular idem, page 594.
- peculiar idem, page 601.
- private idem, page 642.
- selfish idem, page 751.
- separate idem, page 754.
- special idem, page 799.
- unattached idem, page 907.
- unofficial idem, page 926.