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computus

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• compotus,conpotus

Borrowed fromLatincomputus.Doublet ofconto.

computus (countable anduncountable,pluralcomputi)

1. Thecalculation of thedate ofEaster in theChristiancalendar.
   • 2008, Ian F. McNeely, Lisa Wolverton,Reinventing Knowledge: From Alexandria to the Internet,page68:

     An elaborate bundle of techniques calledcomputus therefore developed around Easter calculations.Computus formed the centerpiece of “scientific” education in the monasteries.

   • 2011, Elisheva Carlbach,Palaces of Time,page11:

     Bede's work, which remained in active use for half a millennium, stood at the very center of the university curriculum, because the mastery ofcomputus included many different essential subjects such as astronomy, mathematics, geography, theology, and law; its applications, too, included medicine and agriculture.

   • 2011, C. Philipp E. Nothaft,Dating the Passion: The Life of Jesus and the Emergence of Scientific Chronology (200-1600),page103:

     The technical problems faced by Western computists when it came to dating the day of Christ's Passion and the year of the world's creation were so persistent and perplexing that only a radical solution could restore the lost coherence ofcomputus and chronography.

2. (historical) A book of tables for calculating dates of astronomical events andmoveable feasts.
   • 1987, Bruce Eastwood,5: Plinian astronomical diagrams in the early Middle Ages, Edward Grant, John Emery Murdoch,Mathematics and Its Applications to Science and Natural Philosophy in the Middle Ages,page 149,

     Thiscomputus also contains only one completed Plinian diagram, that for the planetary harmonic intervals.

   • 2007, László Sándor Chardonnens,Anglo-Saxon Prognostics, 900-1100: Study and Texts,page25:

     Prognostics have thus been discovered incomputi, in volumes on science or medicine, and in miscellanies which present a host of different text genres.

• compute
• computist

• almanac

• compotus
• conpotus

Fromcomputō.

computus m (genitivecomputī);second declension

1. (Late Latin)computation,calculation
2. (Late Latin)bank account

Second-declension noun.

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

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