retentio

From retineō (“to keep or hold back”) +‎ -tiō.

• (Classical) IPA^(key): /reˈten.ti.oː/, [rɛˈt̪ɛn̪t̪ioː]
• (modern Italianate Ecclesiastical) IPA^(key): /reˈten.t͡si.o/, [reˈt̪ɛnt̪͡s̪io]

retentiō f (genitive retentiōnis); third declension

1. a holding back; holding in; a withholding
2. a retaining, keeping back
3. preservation, maintenance

Third-declension noun.

• “retentio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “retentio”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• retentio 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)
• retentio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.