The term "eccoprotic" refers to an animal that excretes undigested food. Its IPA transcription is /ɛkəˈprɒtɪk/. The word stems from the Greek words "ekko" meaning "excretion" and "proteios" meaning "first in importance". The spelling of "eccoprotic" includes the prefix "ec-" which means "out" or "external", and the suffix "-ic" which indicates a specific type or property. Therefore, "eccoprotic" describes the process of excreting undigested food in animals and can be defined as "pertaining to the excretion of undigested matter".