worthy of being feared or serious person with authority (see Molina)
IPAspelling:
iːmɑkɑʃtɬi
Alonso de Molina:
imacaxtli. digno de ser temido o persona graue yde auctoridad. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 37v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
ĪMACAX-TLI someone worthy of being held in awe, someone of authority and dignity / digno de ser temido, o persona grave y de autoridad (M) See ĪMACAC(I). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 105.