εὐθεῖα

Ancient Greek

An abbreviation of εὐθεῖα γραμμή (eutheîa grammḗ, “straight line”) or εὐθεῖα πτῶσις (eutheîa ptôsis, “straight case”).

εὐθεῖα • (eutheîa) f (genitive εὐθείᾱς); first declension

First declension of ἡ εὐθεῖᾰ; τῆς εὐθείᾱς (Attic)

Case / #	Singular	Dual	Plural
Nominative	ἡ εὐθεῖᾰ hē eutheîa	τὼ εὐθείᾱ tṑ eutheíā	αἱ εὐθεῖαι hai eutheîai
Genitive	τῆς εὐθείᾱς tês eutheíās	τοῖν εὐθείαιν toîn eutheíain	τῶν εὐθειῶν tôn eutheiôn
Dative	τῇ εὐθείᾳ têi eutheíāi	τοῖν εὐθείαιν toîn eutheíain	ταῖς εὐθείαις taîs eutheíais
Accusative	τὴν εὐθεῖᾰν tḕn eutheîan	τὼ εὐθείᾱ tṑ eutheíā	τᾱ̀ς εὐθείᾱς tā̀s eutheíās
Vocative	εὐθεῖᾰ eutheîa	εὐθείᾱ eutheíā	εὐθεῖαι eutheîai
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.