反刍

反刍	fǎn chú	to ruminate / to chew the cud
反	fǎn	contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切 phonetic system
刍	chú	to mow or cut grass / hay / straw / fodder