tlayamania.

Headword: 
tlayamania.
Principal English Translation: 

to be mild and calm weather (see Molina)

Alonso de Molina: 

tlayamania. (pret. otlayamaniac.) hazer blando y sereno tiempo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 120v. col. 2. Thanks to Joe Campbell for providing the transcription.

themes: 
Weather, Climate