1
Stage 1 of 3
fluere
Latin · ancient
"to flow"
to flow, since fluorspar was used as a flux to help metals flow when smelted
2
Stage 2 of 3
fluor
French · 1700s
"fluorspar, a flowing flux mineral"
carried into French mineral vocabulary for fluorspar
3
Stage 3 of 3
fluorine
English · 1813
"a pale yellow, highly reactive gas"
coined by Humphry Davy for the reactive gas found in fluorspar
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