trinus

Latin

Latin numbers ^(edit)

	30
←  2	III 3	4  → [a], [b]
Cardinal: trēs     Ordinal: tertius     Adverbial: ter     Proportional: triplus     Multiplier: triplex     Distributive: ternus, trīnus     Collective: terniō     Fractional: triēns

Etymology

From Proto-Italic *triznos, itself from Proto-Indo-European *trís (“thrice”) and the adjective-forming suffix *-nós (see Latin -nus), equivalent to Latin ter +‎ -nus (compare the alternative form ternus).

Pronunciation

• (Classical Latin) IPA^(key): /ˈtriː.nus/, [ˈt̪riːnʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈtri.nus/, [ˈt̪riːnus]

Numeral

trīnus (feminine trīna, neuter trīnum); first/second-declension numeral

1. (in the plural) three each
2. triple
3. (in pluralibus tantum) three

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	trīnus	trīna	trīnum		trīnī	trīnae	trīna
Genitive	trīnī	trīnae	trīnī		trīnum trīnōrum	trīnum trīnārum	trīnum trīnōrum
Dative	trīnō		trīnō		trīnīs
Accusative	trīnum	trīnam	trīnum		trīnōs	trīnās	trīna
Ablative	trīnō	trīnā	trīnō		trīnīs
Vocative	trīne	trīna	trīnum		trīnī	trīnae	trīna

Descendants

• Italian: trino, trina
• Sicilian: trinu
• ⇒ Vulgar Latin: *trēna
  • Catalan: trena
• Middle French: trin
  • → Middle English: trine

References

• “trinus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “trinus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• trinus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.