Origin: Fr épidote < Gr epididonai, to give besides, increase < epi-, over + didonai, to give (see date): so named by R.-J. Haüy (1743-1822), Fr mineralogist; from the enlarged base of some of the crystal forms
See epidote in American Heritage Dictionary 4
Origin: French épidote
Origin: , from Greek epididonai, to give in addition, increase (from the greater length of its crystals compared with those of related minerals)
Origin: : epi-, epi-
Origin: + didonai, to give; see dō- in Indo-European roots.
Learn more about epidote