janitorial
adjective mainly US uk/dʒæn.ɪˈtɔː.ri.əl/ us/dʒæn.ɪˈtɔː.ri.əl/
门房的,看门人的
relating to the job of being a janitor (= a person employed to look after a large building)
He does janitorial work at a hospital. 他在医院门房工作。
janitorial services/supplies 门房服务/用品