εἰκοστός

See also: εικοστός

Ancient Greek

**Ancient Greek numbers ^(edit)**
		200
← 10	← 19	κ’ 20	30 →
		2
Cardinal: εἴκοσῐ (eíkosĭ) Ordinal: εἰκοστός (eikostós) Adverbial: εἰκοσάκις (eikosákis) Collective: εἰκοσάς (eikosás)

Alternative forms

ἐεικοστός (eeikostós) — Epic

Etymology

From Proto-Hellenic *ewīkətstós, equivalent to εἴκοσι (eíkosi) +‎ -τός (-tós).

Pronunciation

(5^th BCE Attic) IPA^(key): /eː.kos.tós/
(1^st CE Egyptian) IPA^(key): /i.kosˈtos/
(4^th CE Koine) IPA^(key): /i.kosˈtos/
(10^th CE Byzantine) IPA^(key): /i.kosˈtos/
(15^th CE Constantinopolitan) IPA^(key): /i.kosˈtos/

Adjective

εἰκοστός • (eikostós) m (feminine εἰκοστή, neuter εἰκοστόν); first/second declension

twentieth

Declension

First and second declension of εἰκοστός; εἰκοστή; εἰκοστόν (Attic)

Number	Singular			Dual			Plural
Case/Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Nominative	εἰκοστός eikostós	εἰκοστή eikostḗ	εἰκοστόν eikostón	εἰκοστώ eikostṓ	εἰκοστᾱ́ eikostā́	εἰκοστώ eikostṓ	εἰκοστοί eikostoí	εἰκοσταί eikostaí	εἰκοστᾰ́ eikostắ
Genitive	εἰκοστοῦ eikostoû	εἰκοστῆς eikostês	εἰκοστοῦ eikostoû	εἰκοστοῖν eikostoîn	εἰκοσταῖν eikostaîn	εἰκοστοῖν eikostoîn	εἰκοστῶν eikostôn	εἰκοστῶν eikostôn	εἰκοστῶν eikostôn
Dative	εἰκοστῷ eikostōî	εἰκοστῇ eikostēî	εἰκοστῷ eikostōî	εἰκοστοῖν eikostoîn	εἰκοσταῖν eikostaîn	εἰκοστοῖν eikostoîn	εἰκοστοῖς eikostoîs	εἰκοσταῖς eikostaîs	εἰκοστοῖς eikostoîs
Accusative	εἰκοστόν eikostón	εἰκοστήν eikostḗn	εἰκοστόν eikostón	εἰκοστώ eikostṓ	εἰκοστᾱ́ eikostā́	εἰκοστώ eikostṓ	εἰκοστούς eikostoús	εἰκοστᾱ́ς eikostā́s	εἰκοστᾰ́ eikostắ
Vocative	εἰκοστέ eikosté	εἰκοστή eikostḗ	εἰκοστόν eikostón	εἰκοστώ eikostṓ	εἰκοστᾱ́ eikostā́	εἰκοστώ eikostṓ	εἰκοστοί eikostoí	εἰκοσταί eikostaí	εἰκοστᾰ́ eikostắ
Derived forms	Adverb			Comparative			Superlative
Derived forms	εἰκοστῶς eikostôs			εἰκοστότερος eikostóteros			εἰκοστότᾰτος eikostótătos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.