something divided in half or split in two (see Molina)
IPAspelling:
ʃeliwki
Alonso de Molina:
xeliuhqui. cosa partida o hendida por medio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 158v. col. 2. Thanks to Joe Campbell for providing the transcription.