πεντάγωνος

Ancient Greek

Etymology

πεντα- (penta-) +‎ γωνία (gōnía) +‎ -ος (-os)

Pronunciation

(5^th BCE Attic) IPA^(key): /pen.tá.ɡɔː.nos/
(1^st CE Egyptian) IPA^(key): /penˈta.ɡo.nos/
(4^th CE Koine) IPA^(key): /penˈta.ɣo.nos/
(10^th CE Byzantine) IPA^(key): /penˈta.ɣo.nos/
(15^th CE Constantinopolitan) IPA^(key): /penˈda.ɣo.nos/

Adjective

πεντάγωνος • (pentágōnos) m or f (neuter πεντάγωνον); second declension

pentagonal, having five angles
(geometry, nominalized, neuter) pentagon

Declension

Second declension of πεντᾰ́γωνος; πεντᾰ́γωνον (Attic)

Number	Singular		Dual		Plural
Case/Gender	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter
Nominative	πεντᾰ́γωνος pentắgōnos	πεντᾰ́γωνον pentắgōnon	πεντᾰγώνω pentăgṓnō	πεντᾰγώνω pentăgṓnō	πεντᾰ́γωνοι pentắgōnoi	πεντᾰ́γωνᾰ pentắgōnă
Genitive	πεντᾰγώνου pentăgṓnou	πεντᾰγώνου pentăgṓnou	πεντᾰγώνοιν pentăgṓnoin	πεντᾰγώνοιν pentăgṓnoin	πεντᾰγώνων pentăgṓnōn	πεντᾰγώνων pentăgṓnōn
Dative	πεντᾰγώνῳ pentăgṓnōi	πεντᾰγώνῳ pentăgṓnōi	πεντᾰγώνοιν pentăgṓnoin	πεντᾰγώνοιν pentăgṓnoin	πεντᾰγώνοις pentăgṓnois	πεντᾰγώνοις pentăgṓnois
Accusative	πεντᾰ́γωνον pentắgōnon	πεντᾰ́γωνον pentắgōnon	πεντᾰγώνω pentăgṓnō	πεντᾰγώνω pentăgṓnō	πεντᾰγώνους pentăgṓnous	πεντᾰ́γωνᾰ pentắgōnă
Vocative	πεντᾰ́γωνε pentắgōne	πεντᾰ́γωνον pentắgōnon	πεντᾰγώνω pentăgṓnō	πεντᾰγώνω pentăgṓnō	πεντᾰ́γωνοι pentắgōnoi	πεντᾰ́γωνᾰ pentắgōnă
Derived forms	Adverb		Comparative		Superlative
Derived forms	πεντᾰγώνως pentăgṓnōs		πεντᾰγωνότερος pentăgōnóteros		πεντᾰγωνότᾰτος pentăgōnótătos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Ancient Greek

Etymology

Pronunciation

Adjective

Declension

Further reading