English
fluorotype
From fluoro- + -type.
Proto-Indo-European *(s)tewp- ‘to push’
Ancient Greek τύπτω ‘to strike’
Ancient Greek τύπος ‘mark’
Latin typus
Middle English type ‘symbol’
English type
Today it means
noun A photographic process in which salts of fluoric acid were employed for the purpose of producing images in the camera.
Language periods are conventional ranges, not dates for this word.
Etymograph / fluorotype