bandy-legged, clumsy, awkward, unhandy (see Molina and modern Spanish dictionaries for zancajoso)
IPAspelling:
ʃonenetetʃ
Alonso de Molina:
xonenetech. çancajoso. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 161r. col. 2. Thanks to Joe Campbell for providing the transcription.