playing house
Children's game of pretending to run a household, often involving toy kitchen sets and role-playing family roles.
The children were playing house in the garden.
Kanji spelling using 飯 for まま; rarely used in practice.
Kanji spelling with honorific 御; very uncommon.
Mixed kanji-kana spelling; rarely seen.
From まま (child's word for rice/food) + ごと (suffix meaning 'play' or 'pretend'), with honorific prefix お. The exact origin of まま is uncertain, but it is likely a nursery word.