ductus

Borrowed from Latin ductus (“leading, conducting”, noun). Doublet of duct and douit.

• IPA^(key): /ˈdʌk.təs/

ductus (plural ductus or ductuses)

1. (writing)
   1. the number of strokes that make up a written letter, and the direction, sequence and speed in which they are written (Compare graph; see also aspect.)
   2. a subtle reduction of weight towards the middle of the stroke of the letter
2. (anatomy) a duct, tube or canal in the body

• “ductus”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

• (Classical Latin) IPA^(key): /ˈduk.tus/, [ˈd̪ʊkt̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈduk.tus/, [ˈd̪ukt̪us]

From dūcō (“to lead, conduct, draw”) +‎ -tus (action noun suffix).

ductus m (genitive ductūs); fourth declension

1. (literally)
   1. (in general) leadership, leading, conducting

      Alicuius ductu imperioque ― under one’s command and authority

      • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico VII.62:

        Cuius ductu saepe numero hostes superassent

        under his leadership they had so often overwhelmed the enemy

   2. (military) generalship, military lead, conduct, command

      Synonyms: imperium, diciō

   3. (Medieval Latin) conveyance of water; a channel
2. (figurative) (of discourse)
   1. (acting) connection or structure of a play
   2. a period

Fourth-declension noun.

• ductārius (adjective)
• ductō (verb)

Perfect passive participle of dūcō.

ductus (feminine ducta, neuter ductum); first/second-declension participle

1. led, guided
2. taken
3. considered, thought

First/second-declension adjective.

• “ductus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “ductus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• ductus 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)
• Félix Gaffiot (1934) “ductus”, in Dictionnaire illustré latin-français [Illustrated Latin-French Dictionary] (in French), Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • a conduit; an aqueduct: aquae ductus (plur. aquarum ductus)
    
  • the conversation began in this way: hinc sermo ductus est
    
  • (ambiguous) a thing is taken from life: aliquid e vita ductum est
    
  • (ambiguous) to derive a word from... (used of an etymologist): verbum ductum esse a...putare
    
• DIZIONARIO LATINO OLIVETTI