食くい戻もどし

noun

rumination; cud

Refers to the process of chewing cud in ruminant animals. Also used metaphorically for rethinking or dwelling on something, though the literal animal sense is primary.

• 牛うしが食くい戻もどしをしている。

  The cow is chewing its cud.

• 彼かれはその問もん題だいを食くい戻もどしのように何なん度ども考かんがえた。

  He ruminated on the problem over and over again.