Etymograph

English

prismane

From prism + -ane.

A compound of prism + -ane

Proto-Indo-European *per-

Ancient Greek πρῐ́ω

Ancient Greek πρίσμᾰ ‘anything sawn’

Late Latin prisma ‘(geometry) prism’

English prism

Today it means

noun a polycyclic hydrocarbon, C₆H₆, having the shape of a regular triangular prism; any derivative of this compound

Language periods are conventional ranges, not dates for this word.

Etymograph / prismane