οὐραχός

Ancient Greek

Etymology

Probably related to οὐρά (ourá, “tail, rear”), with a suffix -αχος (-akhos) of indeterminate origin which Beekes identifies as Pre-Greek. Compare also οὐρίαχος (ouríakhos, “butt-end of the spear”).^[1]

Pronunciation

(5^th BCE Attic) IPA^(key): /uː.ra.kʰós/
(1^st CE Egyptian) IPA^(key): /u.raˈkʰos/
(4^th CE Koine) IPA^(key): /u.raˈxos/
(10^th CE Byzantine) IPA^(key): /u.raˈxos/
(15^th CE Constantinopolitan) IPA^(key): /u.raˈxos/

Noun

οὐρᾰχός • (ourăkhós) m (genitive οὐρᾰχοῦ); second declension

(anatomy) urachus, a foetal organ connected with the bladder
apex of the heart
(in the plural) outer ends of the eyebrows
point of a drill or borer

Inflection

Second declension of ὁ οὐρᾰχός; τοῦ οὐρᾰχοῦ (Attic)

Case / #	Singular	Dual	Plural
Nominative	ὁ οὐρᾰχός ho ourăkhós	τὼ οὐρᾰχώ tṑ ourăkhṓ	οἱ οὐρᾰχοί hoi ourăkhoí
Genitive	τοῦ οὐρᾰχοῦ toû ourăkhoû	τοῖν οὐρᾰχοῖν toîn ourăkhoîn	τῶν οὐρᾰχῶν tôn ourăkhôn
Dative	τῷ οὐρᾰχῷ tōî ourăkhōî	τοῖν οὐρᾰχοῖν toîn ourăkhoîn	τοῖς οὐρᾰχοῖς toîs ourăkhoîs
Accusative	τὸν οὐρᾰχόν tòn ourăkhón	τὼ οὐρᾰχώ tṑ ourăkhṓ	τοὺς οὐρᾰχούς toùs ourăkhoús
Vocative	οὐρᾰχέ ourăkhé	οὐρᾰχώ ourăkhṓ	οὐρᾰχοί ourăkhoí
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Derived terms

οὐραχοειδής (ourakhoeidḗs)

Descendants

→ English: urachus

References

^ Beekes, Robert S. P. (2010) “οὐρά (> ETYM)”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, pages 1127-8