Proto-Indo-European root meaning "in." It forms all or part of:and;atoll;dysentery;embargo;embarrass;embryo;empire;employ;en-(1) "in; into;"en-(2) "near, at, in, on, within;"enclave;endo-;enema;engine;enoptomancy;enter;enteric;enteritis;entero-;entice;ento-;entrails;envoy;envy;episod...