Due to its presence in the oldest attested and best-known AA branches, nisba derivation is often thought of as a "quintessentially Afroasiatic feature".
dˈuː tʊ ɪts pɹˈɛzəns ɪnðɪ ˈoʊldɪst ɐtˈɛstᵻd ænd bˈɛstnˈoʊn ˌeɪˈeɪ bɹˈæntʃᵻz, nˈɪsbə dˌɛɹɪvˈeɪʃən ɪz ˈɔfən θˈɔːt ʌv æz ˈeɪ "kwˌɪntɪsˈɛnʃəli ˌæfɹoʊˌeɪsɪˈæɾɪk fˈiːtʃɚ".