Прасинотибетский: *ćūm
Значение: honour, authority
Тибетский: gćom, bćom pride, haughtiness, arrogance.
Качинский: čum authority.
Комментарии: The OCh. form can be alternatively compared with Tib. gźuŋ (p. gźuŋs) to attend, be heedful (cf., however, *tŭŋ).