1864 in reference to pregnancy, from ectopia "morbid displacement of parts" (1847), coined in Modern Latin from Greek ektopos "away from a place, distant; foreign, strange," from ek- "out" (see ex-) + topos "place" (see topos).
ecstatic
ecto-
ectoderm
ectomorph
-ectomy
ectopic
ectoplasm
ecu
Ecuador
ecumenical
ecumenism