ὑπήκοος

Ancient Greek

ὑπακούω (hupakoúō) +‎ -ος (-os).

Compare typologically Latin oboediēns (< oboediō < ob- + audiō); Dutch gehoorzaam (<< horen (cognate via PIE)); Bulgarian послушен (poslušen), Polish posłuszny, Russian послу́шный (poslúšnyj) (akin to слу́шать (slúšatʹ)).

ῠ̔πήκοος • (hŭpḗkoos) m or f (neuter ῠ̔πήκοον); second declension

Second declension of ῠ̔πήκοος; ῠ̔πήκοον (Attic)

Number	Singular			Dual			Plural
Case/Gender	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter	Masculine	Feminine	Neuter
Nominative	ῠ̔πήκοος hŭpḗkoos		ῠ̔πήκοον hŭpḗkoon	ῠ̔πηκόω hŭpēkóō		ῠ̔πηκόω hŭpēkóō	ῠ̔πήκοοι hŭpḗkooi		ῠ̔πήκοᾰ hŭpḗkoă
Genitive	ῠ̔πηκόου hŭpēkóou		ῠ̔πηκόου hŭpēkóou	ῠ̔πηκόοιν hŭpēkóoin		ῠ̔πηκόοιν hŭpēkóoin	ῠ̔πηκόων hŭpēkóōn		ῠ̔πηκόων hŭpēkóōn
Dative	ῠ̔πηκόῳ hŭpēkóōi		ῠ̔πηκόῳ hŭpēkóōi	ῠ̔πηκόοιν hŭpēkóoin		ῠ̔πηκόοιν hŭpēkóoin	ῠ̔πηκόοις hŭpēkóois		ῠ̔πηκόοις hŭpēkóois
Accusative	ῠ̔πήκοον hŭpḗkoon		ῠ̔πήκοον hŭpḗkoon	ῠ̔πηκόω hŭpēkóō		ῠ̔πηκόω hŭpēkóō	ῠ̔πηκόους hŭpēkóous		ῠ̔πήκοᾰ hŭpḗkoă
Vocative	ῠ̔πήκοε hŭpḗkoe		ῠ̔πήκοον hŭpḗkoon	ῠ̔πηκόω hŭpēkóō		ῠ̔πηκόω hŭpēkóō	ῠ̔πήκοοι hŭpḗkooi		ῠ̔πήκοᾰ hŭpḗkoă
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.