EPI- n.
A prefix, meaning upon, beside, among, on the outside, above, over. It becomes ep- before a vowel, as in epoch, and eph- before a Greek aspirate, as in ephemeral.
LEAD n.
lloq.] -- Coasting lead, a sounding lead intermediate in weight between a hand lead and deep-sea lead. -- Deep-sea lead, the heaviest of sounding leads, used in water exceeding a hundred fathoms in depth. Ham. Nav. Encyc. -- Hand lead, a small lead use for sounding in shallow water. -- Krems lead, Kremnitz lead Etym…