tlapaquiyahuitl.

Headword: 
tlapaquiyahuitl.
Principal English Translation: 

a long-lasting drizzle

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), 238.

IPAspelling: 
tɬɑpɑkijɑwitɬ
Lockhart’s Nahuatl as Written: 

contains quiyahuitl. seems to have pa as in cepayahuitl. 238