English

macroconch

From macro- + conch.

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

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

Proto-Hellenic *makrós

Ancient Greek μακρός ‘long’

Latin concha ‘a bivalve shellfish’

English conch

Today it means

noun The female form of an ammonite (that has a larger shell than the male (the microconch).

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

Etymograph / macroconch