一いっ夫ぷ一いっ婦ぷ制せい

expression, noun

monogamy

Refers to the social or legal system of being married to only one person at a time.

• 日本にほんでは一いっ夫ぷ一いっ婦ぷ制せいが法ほう律りつで定さだめられている。

  In Japan, monogamy is stipulated by law.