the arm of the Christian cross (see Molina)
(contains a loanword from Spanish: cruz, cross)
Orthographic Variants:
inepaniuhca yn cruz
Alonso de Molina:
inepaniuhca yn cruz. el brazo dela cruz. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 38v. col. 2. Thanks to Joe Campbell for providing the transcription.