tleinmach.

Headword: 
tleinmach.
Principal English Translation: 

what in the world? what the devil? (see Karttunen)

Orthographic Variants: 
tleymach
IPAspelling: 
tɬeinmɑtʃ
Frances Karttunen: 

TLEINMACH what in the world? what the devil? / ¿que diablos...? (C) [(2)Cf.115v,116v]. See TLEIN, MACH.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 308.

Attestations from sources in English: 

tleinmach (adverb) = why? for what reason?
Daniel Garrison Brinton, Ancient Nahuatl Poetry: Containing the Nahuatl Text of XXVII Ancient Mexican Poems (1877), 166.