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Boron

2 stages from Arabic/Persian to English.

Today it means a hard, brittle metalloid chemical element
1
Stage 1 of 2
buraq
Arabic/Persian · medieval
"related to borax"
the root behind borax, the mineral from which the element was later isolated
2
Stage 2 of 2
boron
English · 1812
"a hard, brittle metalloid element"
coined by blending borax with carbon, since the two elements share properties
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