Late 19th century; earliest use found in Joseph Lightfoot (1828–1889), biblical scholar and bishop of Durham. From Byzantine Greek Ὀσσαῖοι, plural (Epiphanius) + -an.
Definition of Ossaean in US English:
Ossaean
(also Ossean)
nounɒˈsiːən
rare
Ossene.
Origin
Late 19th century; earliest use found in Joseph Lightfoot (1828–1889), biblical scholar and bishop of Durham. From Byzantine Greek Ὀσσαῖοι, plural (Epiphanius) + -an.