τρίφθογγος

Ancient Greek

Etymology

From τρῐ́ς (trĭ́s, “thrice”) +‎ φθόγγος (phthóngos, “sound”).

Pronunciation

(5^th BCE Attic) IPA^(key): /trípʰ.tʰoŋ.ɡos/
(1^st CE Egyptian) IPA^(key): /ˈtripʰ.tʰoŋ.ɡos/
(4^th CE Koine) IPA^(key): /ˈtriɸ.θoŋ.ɡos/
(10^th CE Byzantine) IPA^(key): /ˈtrif.θoŋ.ɡos/
(15^th CE Constantinopolitan) IPA^(key): /ˈtrif.θoŋ.ɡos/

Noun

τρῐ́φθογγος • (trĭ́phthongos) f (genitive τρῐφθόγγου); second declension (Byzantine)

a triple vowel sound, triphthong

Declension

Second declension of ἡ τρῐ́φθογγος; τῆς τρῐφθόγγου (Attic)

Case / #	Singular	Dual	Plural
Nominative	ἡ τρῐ́φθογγος hē trĭ́phthongos	τὼ τρῐφθόγγω tṑ trĭphthóngō	αἱ τρῐ́φθογγοι hai trĭ́phthongoi
Genitive	τῆς τρῐφθόγγου tês trĭphthóngou	τοῖν τρῐφθόγγοιν toîn trĭphthóngoin	τῶν τρῐφθόγγων tôn trĭphthóngōn
Dative	τῇ τρῐφθόγγῳ tēî trĭphthóngōi	τοῖν τρῐφθόγγοιν toîn trĭphthóngoin	ταῖς τρῐφθόγγοις taîs trĭphthóngois
Accusative	τὴν τρῐ́φθογγον tḕn trĭ́phthongon	τὼ τρῐφθόγγω tṑ trĭphthóngō	τᾱ̀ς τρῐφθόγγους tā̀s trĭphthóngous
Vocative	τρῐ́φθογγε trĭ́phthonge	τρῐφθόγγω trĭphthóngō	τρῐ́φθογγοι trĭ́phthongoi
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Adjective

τρῐ́φθογγος • (trĭ́phthongos) m or f (neuter τρῐ́φθογγον); second declension

having three voices

Declension

Second declension of τρῐ́φθογγος; τρῐ́φθογγον (Attic)

Number	Singular		Dual		Plural
Case/Gender	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter
Nominative	τρῐ́φθογγος trĭ́phthongos	τρῐ́φθογγον trĭ́phthongon	τρῐφθόγγω trĭphthóngō	τρῐφθόγγω trĭphthóngō	τρῐ́φθογγοι trĭ́phthongoi	τρῐ́φθογγᾰ trĭ́phthongă
Genitive	τρῐφθόγγου trĭphthóngou	τρῐφθόγγου trĭphthóngou	τρῐφθόγγοιν trĭphthóngoin	τρῐφθόγγοιν trĭphthóngoin	τρῐφθόγγων trĭphthóngōn	τρῐφθόγγων trĭphthóngōn
Dative	τρῐφθόγγῳ trĭphthóngōi	τρῐφθόγγῳ trĭphthóngōi	τρῐφθόγγοιν trĭphthóngoin	τρῐφθόγγοιν trĭphthóngoin	τρῐφθόγγοις trĭphthóngois	τρῐφθόγγοις trĭphthóngois
Accusative	τρῐ́φθογγον trĭ́phthongon	τρῐ́φθογγον trĭ́phthongon	τρῐφθόγγω trĭphthóngō	τρῐφθόγγω trĭphthóngō	τρῐφθόγγους trĭphthóngous	τρῐ́φθογγᾰ trĭ́phthongă
Vocative	τρῐ́φθογγε trĭ́phthonge	τρῐ́φθογγον trĭ́phthongon	τρῐφθόγγω trĭphthóngō	τρῐφθόγγω trĭphthóngō	τρῐ́φθογγοι trĭ́phthongoi	τρῐ́φθογγᾰ trĭ́phthongă
Derived forms	Adverb		Comparative		Superlative
Derived forms	τρῐφθόγγως trĭphthóngōs		τρῐφθογγότερος trĭphthongóteros		τρῐφθογγότᾰτος trĭphthongótătos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Descendants

→ English: triphthong
→ French: triphtongue

References

“τρίφθογγος”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press