ahnelli.

Headword: 
ahnelli.
Principal English Translation: 

not true, impossible, unable to, inauthentic, not genuine, undisclosing, unrooted
Robert Haskett and Stephanie Wood's notes from Nahuatl sessions with James Lockhart and subsequent research.

Orthographic Variants: 
anelli
Attestations from sources in English: 

ah = negative; nelli = true