Chrisimus (par les Bénédictins de St. Maur, 1733–1736), in: du Cange, et al., Glossarium mediae et infimae latinitatis, ed. augm., Niort: L. Favre, 1883‑1887, t. 2, col. 317b. "CHRISIMUS, Nomen Christi abbreviatum in antiquis instrumentis secundum diversos casus sic XPS. XPI. XPO. XPM. ubi media littera P. Græcum. Vox Chrisimus legitur in Annal. Benedict. tom. 5. pag. 7."
Crismon (par les Bénédictins de St. Maur, 1733–1736), in: du Cange, et al., Glossarium mediae et infimae latinitatis, ed. augm., Niort: L. Favre, 1883‑1887, t. 2, col. 621b.
"CRISMON, Nota quæ in libro ex voluntate uniuscujusque ad aliquid notandum ponitur. Papias in MS. Bituric. Crismon vel Chrismon proprie est Monogramma Christi sic expressum ☧"
1 chrismon (par les Bénédictins de St. Maur, 1733–1736), in: du Cange, et al., Glossarium mediae et infimae latinitatis, ed. augm., Niort: L. Favre, 1883‑1887, t. 2, col. 318c,
citing Heumann. de re Diplom. inde a Carol. M. § 12; Murator. Antiquit. Ital. tom. 3. col. 75.
media.enc.sorbonne.fr
Crismon (par les Bénédictins de St. Maur, 1733–1736), in: du Cange, et al., Glossarium mediae et infimae latinitatis, ed. augm., Niort: L. Favre, 1883‑1887, t. 2, col. 621b.
"CRISMON, Nota quæ in libro ex voluntate uniuscujusque ad aliquid notandum ponitur. Papias in MS. Bituric. Crismon vel Chrismon proprie est Monogramma Christi sic expressum ☧"
1 chrismon (par les Bénédictins de St. Maur, 1733–1736), in: du Cange, et al., Glossarium mediae et infimae latinitatis, ed. augm., Niort: L. Favre, 1883‑1887, t. 2, col. 318c,
citing Heumann. de re Diplom. inde a Carol. M. § 12; Murator. Antiquit. Ital. tom. 3. col. 75.
wiktionary.org
id.wiktionary.org
The portmanteau of Christo- and -gramma is modern, first introduced in German as Christogramm in the mid-18th century. Adoption into English as Christogram dates to c. 1900.
