to try something; to try or experiment with something; to rehearse; to tempt someone (see Molina); to test, sample, taste something (see Karttunen)
IPAspelling:
yehyekoɑː
Alonso de Molina:
yeyecoa. nitla. (pret. onitlayeyeco.) prouar a hazer algo.
yeyecoa. nic. (pret. onicyeyeco.) prouar, o experimentar algo.
yeyecoa. nino. (pret. oninoyeyeco.) ensayarse, o esgremir.
yeyecoa. nite. (pret. oniteyeyeco.) tentar a otro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 35r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
YEHYECOĀ vrefl,vt to experience something; to test, sample, taste something / ensayarse o esgrimir (M), probar o experimentar algo (M) Z has the variant EHECOĀ. See YECOĀ. YEHYECALHUIĀ applic. YEHYECOĀ. EHECOĀ See YEHYECOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 338.