Etymograph

English

lavoisium

Lavoisium comes from French Lavoisier.

  1. Frenchc. 1600–presentLavoisier
  2. Englishtodaylavoisium

attested reconstructed ? uncertain or disputed

Lineage

  1. Frenchc. 1600–presentLavoisier
  2. Englishtodaylavoisium

Formed from Lavoisier + -ium

The story

From French Lavoisier + -ium, named after the French chemist Antoine Lavoisier.

Today it means

noun (obsolete) A supposed silvery-white, malleable, metallic chemical element, said to have been discovered in pyrites and some other minerals.

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

Etymograph / French Lavoisier / lavoisium