τετράς
Ancient Greek
Alternative forms
- πετρᾰ́ς (petrás) – Boeotian
Etymology
From Proto-Indo-European *kʷetwóres (whence also τέσσαρες (téssares, “four”)) + -ᾰ́ς (-ás).
Pronunciation
- (5th BCE Attic) IPA(key): /te.trás/
- (1st CE Egyptian) IPA(key): /teˈtras/
- (4th CE Koine) IPA(key): /teˈtras/
- (10th CE Byzantine) IPA(key): /teˈtras/
- (15th CE Constantinopolitan) IPA(key): /teˈtras/
Noun
τετρᾰ́ς • (tetrás) f (genitive τετρᾰ́δος); third declension
- the number four
- the fourth day of the month
- the fourth day of the week
- a period of four days
- the four quarters of the moon
- tetrarchy
- four-leaved pamphlet, quaternion
- Synonym: τετράδιον (tetrádion)
Inflection
Third declension of ἡ τετρᾰ́ς; τῆς τετρᾰ́δος (Attic)
Case / # | Singular | Dual | Plural | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominative | ἡ τετρᾰ́ς hē tetrás | τὼ τετρᾰ́δε tṑ tetráde | αἱ τετρᾰ́δες hai tetrádes | ||||||||||
Genitive | τῆς τετρᾰ́δος tês tetrádos | τοῖν τετρᾰ́δοιν toîn tetrádoin | τῶν τετρᾰ́δων tôn tetrádōn | ||||||||||
Dative | τῇ τετρᾰ́δῐ têi tetrádi | τοῖν τετρᾰ́δοιν toîn tetrádoin | ταῖς τετρᾰ́σῐ / τετρᾰ́σῐν taîs tetrási(n) | ||||||||||
Accusative | τὴν τετρᾰ́δᾰ tḕn tetráda | τὼ τετρᾰ́δε tṑ tetráde | τᾱ̀ς τετρᾰ́δᾰς tā̀s tetrádas | ||||||||||
Vocative | τετρᾰ́ς tetrás | τετρᾰ́δε tetráde | τετρᾰ́δες tetrádes | ||||||||||
Notes: |
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Derived terms
- τετράδιον (tetrádion)
- τετρακτύς (tetraktús)
Descendants
- Glosa: tetra
- → Old Armenian: տետր (tetr)
- → Russian: тетра́дь (tetrádʹ)
- → Bulgarian: тетра̀дка (tetràdka)
References
- “τετράς”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
- “τετράς”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
- τετράς in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
- Sophocles, Evangelinos Apostolides (1900), “τετράς”, in Greek Lexicon of the Roman and Byzantine Periods (from B. C. 146 to A. D. 1100), New York: Charles Scribner’s Sons, page 1078b