tilma ocuilin.

Headword: 
tilma ocuilin.
Principal English Translation: 

a moth or worm that eats cloth

Alonso de Molina: 

tilma ocuilin. polilla de ropa.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 113r. col. 2. Thanks to Joe Campbell for providing the transcription.