removed
adjective formal uk/rɪˈmuːvd/ us/rɪˈmuːvd/
once, twice, etc. removed 隔一代／两代等的堂亲（或表亲）
used to refer to a cousin (= a relation) separated from you by one, two, etc. generations (= same family age groups)
She's my first cousin once removed. 她是我的堂侄女。