triangulus

Esperanto

Pronunciation

• IPA^(key): /trianˈɡulus/
• Rhymes: -ulus
• Syllabification: tri‧an‧gu‧lus

Verb

triangulus

1. conditional of trianguli

Latin

Etymology

Etymology tree

Proto-Indo-European *tréyes

Proto-Italic *trejes

Proto-Italic *trēs

Latin trēs

Proto-Indo-European *h₂eng-

Proto-Indo-European *h₂engulos

Proto-Italic *angulos

Latin angulus

Latin triangulus

Derived from trēs (“three”) + angulus (“angle, corner”).

Pronunciation

• (Classical Latin) IPA^(key): [triˈaŋ.ɡʊ.ɫʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [triˈaŋ.ɡu.lus]

Adjective

triangulus (feminine triangula, neuter triangulum); first/second-declension adjective

1. triangular, three-cornered, three-sided

Declension

First/second-declension adjective.

	singular				plural
	masculine	feminine	neuter		masculine	feminine	neuter
nominative	triangulus	triangula	triangulum		triangulī	triangulae	triangula
genitive	triangulī	triangulae	triangulī		triangulōrum	triangulārum	triangulōrum
dative	triangulō	triangulae	triangulō		triangulīs
accusative	triangulum	triangulam	triangulum		triangulōs	triangulās	triangula
ablative	triangulō	triangulā	triangulō		triangulīs
vocative	triangule	triangula	triangulum		triangulī	triangulae	triangula

Derived terms

• triangulāris
• triangulum

Noun

triangulus m (genitive triangulī); second declension

1. alternative form of triangulum (“triangle”)

Declension

Second-declension noun.

	singular	plural
nominative	triangulus	triangulī
genitive	triangulī	triangulōrum
dative	triangulō	triangulīs
accusative	triangulum	triangulōs
ablative	triangulō	triangulīs
vocative	triangule	triangulī

References

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