nodus

Borrowed from Latin nodus (“a knot”).

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nodus (plural nodi)

1. A difficulty.
2. (zoology) In the Odonata, a prominent crossvein near the centre of the leading edge of a wing.

• nodal

• Sound, sound, udons, undos

From Proto-Indo-European *gned-, *gnod- (“to bind”). Cognate with necto (“I bind”), Avestan 𐬥𐬀𐬯𐬐𐬀‎ (naska-, “bundle”), Old Irish nascim (“to bind”), Old Norse knútr (whence Danish knude, Norwegian knut, and Icelandic hnútur), Old English cnotta (Modern English knot), Old English cnyttan (Modern English knit), Old High German knotto (German Knoten), Middle Dutch cnudde (Dutch knot), English net, nettle.

• (Classical) IPA^(key): /ˈnoː.dus/, [ˈnoː.dʊs]

nōdus m (genitive nōdī); second declension

1. a knot (in rope)
2. a knot (in wood)
3. a knob
4. a bond
5. an obligation
6. a sticking point
7. (in the plural) a knotted fishing net

Second declension.

• (knot): nōdāmen

• nōdus Herculis, nōdus Herculāneus (“a knot difficult to untie”)
• nōdum in scirpō querō (“to look for knots in a bulrush which contains none; to find difficulties where there are none”)
• nōdus linguae (“the bond or tie of the tongue”)

  Nōdum linguae rumpere.

  To break the bond of the tongue.

• nōdus tollens (“the feeling that the plot of one's own life no longer makes sense (neologism”)

• Eastern Romance:
  • Aromanian: nod, nodu
  • Romanian: nod
• Italian: nodo
• Gallo Romance:
  • Old French: neu
    • French: nœud
    • Norman: noeud
  • Old Occitan: nou
    • ⇒ Old Occitan: nous, nos pl
      • Catalan: nus
      • Occitan: nos
      • → Middle English: nose
        • English: noose
• Ibero-Romance:
  • Asturian: nuedu, nudu
  • Old Portuguese:
    • Galician: nó
    • Portuguese: nó
  • Old Spanish:
    • Spanish: nudo
• Rhaeto-Romance:
  • Romansch: nuf, nuv, nouv
• Sardinian: nodu, nudu
• → Irish: nód
• → Middle English: node
  • English: node
    • → Irish: nód
• → Old Albanian: nye, neu
  • Albanian: nyjë, nyje, neje, nye
• → Portuguese: nodo
• → Spanish: nodo

• nexus

• nodus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• nodus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• nodus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• nodus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• nodus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin