personal distance
/ˌpəːs(ə)n(ə)l ˈdɪst(ə)ns/ /ˌpəːsən(ə)l ˈdɪst(ə)ns/noun
1A degree of remoteness that is either desired or felt to exist by a person between himself or herself and another person; specifically (Sociology and Psychology ) = social distance.
2Personal detachment; objectivity.
Origin
Mid 19th century; earliest use found in John Relly Beard (1800–1876), Unitarian minister and educationist. From personal + distance.