Etymograph

English

macroprism

From macro- + prism.

A compound of macro- + prism

Proto-Indo-European *meh₂ḱ- ‘to increase’

Proto-Indo-European *mh₂ḱrós ‘lean, meager’

Proto-Hellenic *makrós

Ancient Greek μακρός ‘long’

English macro-

Proto-Indo-European *per-

Ancient Greek πρῐ́ω

Ancient Greek πρίσμᾰ ‘anything sawn’

Late Latin prisma ‘(geometry) prism’

English prism

Today it means

noun A prism of an orthorhombic crystal between the macropinacoid and the unit prism; the corresponding pyramids are called macropyramids.

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

Etymograph / macroprism