pipiolin.

Headword: 
pipiolin.
Principal English Translation: 

a type of wild, honey-producing bee

James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 230.

Alonso de Molina: 

pipiolin. aueja montesa que haze miel.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 82r. col. 2. Thanks to Joe Campbell for providing the transcription.

Lockhart’s Nahuatl as Written: 

vowel quantities unknown; conceivably there is a glottal stop after the first i. 230