English
spinoid
From spine + -oid.
Formed from spine + -oid
Proto-Indo-European *spey- ‘sharp point’
Proto-Italic *speinā ‘thorn’
Latin spīna ‘thorn’
Old French espine
Middle English spyne ‘a spine’
English spine
Today it means
adj Resembling a spine
Language periods are conventional ranges, not dates for this word.
Etymograph / spinoid