kallo, kaulo, kalo, kawlo, callo adjective black 19-20. noun a Black man; in Galloway a man in general: Deek the kallo owre the chaet. [Look at the man over the hedge.] 20. Compare callo gaugie etymology: from Romany kaulo ‘black’; which is possibly a development from Hindi kālā ‘dark, black’. Romany also attested ‘kaulo guero a Black man’; also attested by Galloway Tinkler-Gypsies; form callo ‘black’ also collected by Simson (1865) and attested by two of his informants; forms kalo, kawlo collected by Joseph F G S Lucas from Kirk Yetholm Gypsies note:

Grellmann (1787) collected the forms Kalo; Kala with the same meaning from Continental gipsies. Smart & Crofton (1875) collected the form Kaulo with the same meaning from English Gypsies.