of some one, pertaining to someone, male or female (see Molina)
Alonso de Molina:
teca. de alguno, o de alguna. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 91v. col. 1. Thanks to Joe Campbell for providing the transcription.