traiectorium

Latin

Etymology

From trāiciō (“to transfer, cause to go across”) (past participle stem trāiect-) +‎ -tōrium (suffix forming nouns for tools and instruments).

Pronunciation

• (Classical Latin) IPA^(key): [traː.jɛkˈtoː.ri.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [tra.jekˈtɔː.ri.um]

Noun

trāiectōrium n (genitive trāiectōriī or trāiectōrī); second declension

1. funnel

Declension

Second-declension noun (neuter).

	singular	plural
nominative	trāiectōrium	trāiectōria
genitive	trāiectōriī trāiectōrī1	trāiectōriōrum
dative	trāiectōriō	trāiectōriīs
accusative	trāiectōrium	trāiectōria
ablative	trāiectōriō	trāiectōriīs
vocative	trāiectōrium	trāiectōria

¹Found in older Latin (until the Augustan Age).

Descendants

• Galician: treitoira
• → English: trajectory
• → Proto-West Germanic: *trahtārī (see there for further descendants)

Further reading

• “traiectorium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• "traiectorium", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “traiectorium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.