achiotl.

Headword: 
achiotl.
Principal English Translation: 

a tree from the seeds of which is made a paste used as a seasoning and for coloring things orange (see Karttunen)

IPAspelling: 
ɑːtʃiotɬ
Frances Karttunen: 

ĀCHIO-TL pl: -TIN~-MEH a tree (Bixa orellana) from the seeds of which is made a paste used as a seasoning and for coloring /K002/ things orange / bija, fruto empleado en el teñido (S), achiote, fruto y árbol conocido (R) [(4)Xp.25, (1)Rp.58]. This is attested in R without diacritics. X has –TLI, implying a glottal stop at the end of the stem, but in general Nahuatl has -TL with this item.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 2–3.

Attestations from sources in English: 

This entered Spanish as achiote. (SW)