large non-flying, reddish beetle (see Karttunen and Molina)
IPAspelling:
piːnɑkɑtɬ
Alonso de Molina:
pinacatl. escarauajo grande y bermejo que no buela. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 82r. col. 1. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
PĪNACA-TL large nonflying, reddish beetle / escarabajo grande y bermejo que no vuela (M) [(1)]Cf.122v]. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 196.