Acantha
/əˈkænθə/noun
A thorn or spine; in biology, a pointed projection or spine-like structure.
Did you know?Acantha comes from Greek *akantha*, and the same ancient root also survives in words like *acanthus*—the thorny plant that became a famous decorative motif in classical architecture.
Etymological Timeline
Proto-Indo-European
PIE
*h₁eḱ-
“to be sharp, pointed”
Ancient Greek
Greek
ἄκανθα (ákantha)
“thorn, prickle, spine”
Latin
Latin
acantha
“thorn; acanthus plant”
Middle English
English
acantha
“a thorn or spine; later a technical term in anatomy and botany”
Modern English
English
acantha
“a spine-like projection or thorn”
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