Eccl. Antiq. Also festology. [ad. med.L. festilogium, f. L. festum feast, after martilogium corrupt form of martyrologium; the word was a translation of Middle Irish félire.] A treatise on ecclesiastical festivals.
1845. Petrie, Round Towers, 355. In the Festilogy of Ængus this Constantine is set down as Rex Ratheniæ.
1864. Bp. Forbes, in Liber Eccl. Terrenarii de Arbuthnott, Pref. 73. Some allusions in the Irish Festologies.
1867. trans. De Montalemberts Monks of West, III. 293. Under the name of sanctilogy or festilogy this circle of biographies was the spiritual reading of the monks.
1882. R. C. Maclagan, Scot. Myths, 148. The Festology of Angus.