Etymograph

English

leucophanite

Originally named Leukophan (1840) by the Norwegian mineralogist Jens Esmark, in allusion to its whitish color, from leuco- (white) + -phane (“appearing”).

Formed from leuco- + -phane ‘appearing’

Proto-Indo-European *lewk- ‘bright’

Proto-Indo-European *lewkós ‘bright’

Proto-Hellenic *leukós ‘white’

Ancient Greek λευκός ‘white’

English leuco-

The story

Originally named Leukophan (1840) by the Norwegian mineralogist Jens Esmark, in allusion to its whitish color, from leuco- (white) + -phane (‘appearing’). The suffix -ite, added later, is used to form nouns denoting minerals.

Today it means

noun A sorosilicate mineral that occurs in pegmatites and alkali igneous complexes as yellow, greenish or white triclinic crystals.

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

Etymograph / leucophanite