to move into the territory of someone else, crossing borders and ignoring boundary markers (see Molina)
Orthographic Variants:
tepan topeua
Alonso de Molina:
tepan topeua. (pret. onitepantopeuh.) meterse enterminos de otro, o traspassar lindes, o mojones. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 102r. col. 2. Thanks to Joe Campbell for providing the transcription.