同棲どうせい
dōsei

Noun
Suru Verb

1. cohabitation (esp. of an unmarried couple); living together

Intransitive
二人ふたり結婚けっこんするまえ年間ねんかん同棲どうせいした。
futariwa kekkon suru maeni ninenkan dōsē shita.
They lived together for two years before they got married.
Other forms: