[ep.i.dote] n [F epidote, fr. Gk epididonai to give in addition, fr. epi- + didonai to give--more at date] (1808): a yellowish green mineral usu. occurring in grains or columnar masses and sometimes used as a gemstone
EPIDOTE
Meaning of EPIDOTE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012