Noun unycheway is defined in Mesa Grande dictionary as, "clan, partnership, friends, relatives". Also note the word shiimull "clan, group of people who have the same last name"
Original word is 'Iipay verb unyeway (unycheway), "is a friend, partner, spouse". This verb is often nominalized to become kunyeway (Barona plural kunycheway, Mesa Grande kunychewaay) meaning "relative, partner, friend, companion", or literally, "one who is a relative, friend..."