Early 19th century; earliest use found in The Gentleman's Magazine. From fossil + -ed. Compare French fossilé. Compare earlier fossilized and fossilated.
Definition of fossiled in US English:
fossiled
(also fossilled)
adjectiveˈfɒsld
Converted into a fossil, fossilized.
Origin
Early 19th century; earliest use found in The Gentleman's Magazine. From fossil + -ed. Compare French fossilé. Compare earlier fossilized and fossilated.