From Wiktionary, the free dictionary
From boux- (“a person of a particular type”) + sai (“male; man”).
bouxsai (Sawndip form 俌𪟞, 1957–1982 spelling bouчsai)
- man; male
- Synonyms: (dialectal) vunzsai, (dialectal) dozsai
- husband (term of reference)
- Synonyms: goeng, gvan, (dialectal) vunzsai, (dialectal) dozsai