zan nocompiqui.

Headword: 
zan nocompiqui.
Principal English Translation: 

to test something or try something out

Orthographic Variants: 
çannocompiqui
Alonso de Molina: 

zannocompiqui. (pret. zanonocompic.) hazer algo atiento, o prouando auer si saldra conello.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 14v. col. 2. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

The term appears in document 361 in the national library in Paris: zan nocompiqui yn nicchiua (alzar de obra). See:
http://www.sup-infor.com/dico/361/Dic_bnf_361.htm