cidra cuahuitl.

(a loanword from Spanish)

Headword: 
cidra cuahuitl.
Principal English Translation: 

a citron tree (includes a loanword from Spanish)

Orthographic Variants: 
cidra quauitl, cidra quahuitl
Alonso de Molina: 

cidra quauitl. cidro arbol.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 22r. col. 2. Thanks to Joe Campbell for providing the transcription.