Early 19th century; earliest use found in John Thomas James (1786–1828), bishop of Calcutta and writer on art. Either from red ochre + -ed, or from red-ochre + -ed.
Definition of red-ochred in US English:
red-ochred
(also red-ochered)
adjectiverɛdˈəʊkəd
Coloured or stained with red ochre.
Origin
Early 19th century; earliest use found in John Thomas James (1786–1828), bishop of Calcutta and writer on art. Either from red ochre + -ed, or from red-ochre + -ed.