also: あらじょたい · あらぜたい · しんしょたい
noun
new household; new home
Refers to a newly established household, typically after marriage or when starting independent life.
結婚して新所帯を持つことになった。
We got married and are going to set up a new household.
新所帯の準備で忙しい。
I'm busy preparing for the new home.
Compound of 新 (new) and 所帯/世帯 (household). The exact historical derivation of the readings is uncertain; しんじょたい is the most common modern reading.