sentences:  Similar caste institutions are found among various other communities in Africa.According to the anthropologist Tal Tamari, linguistic evidence suggests that the Tuareg blacksmith and bard endogamous castes evolved under foreign contact with Sudanic peoples since the Tuareg terms for blacksmith and bard are of non-Berber origin.Correspondingly, the designation for the endogamous blacksmiths among the southern Tuareg is "gargassa" (a cognate of the Songhay "garaasa" and Fulani "garkasaa6e"), whereas it is "enaden" among the northern Tuareg (meaning "the other").