dimidiatio

dīmidiō (“I halve”, stem with thematic vowel: dīmidiā-) +‎ -tiō (suffix forming verbal nouns)

• (Classical) IPA^(key): /diː.mi.diˈaː.ti.oː/, [d̪iːmɪd̪iˈäːt̪ioː]
• (modern Italianate Ecclesiastical) IPA^(key): /di.mi.diˈat.t͡si.o/, [d̪imid̪iˈät̪ː͡s̪io]

dīmidiātiō f (genitive dīmidiātiōnis); third declension

1. (Late Latin) a halving, a dividing into halves

   Unde hæc dimidiatio salutis.

   (please add an English translation of this usage example)

2. (Medieval Latin, heraldry) a dimidiation (marshalling of two coats of arms from the dexter half of one coat and the sinister half of the other)

Third-declension noun.

• → Middle English: dimydicion
  • English: dimidiation (re-latinized)

• “dīmĭdĭātĭo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• dimidiatio 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)
• dīmĭdĭātĭo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette, pages 529–530.
• Niermeyer, Jan Frederik (1976) “dimidiatio”, in Mediae Latinitatis Lexicon Minus, Leiden, Boston: E. J. Brill, page 333