lime (from burned or slaked limestone) (see Molina and Karttunen); this is a compound of te- (from tetl) and nextli (ashes), which fairly clearly points to burned stone, in this case limestone, called cal in Spanish, and used in construction (for stucco) and for making tortillas; this may be the root for nixtamal, but see nextli
in tenexnamacac, tetlapanqui, tenextlati, tenexmoloni = the seller of lime [is] a shatterer of rocks, a burner of limestone, a slaker of lime (central Mexico, sixteenth century)