ayidtsʼin

== Navajo == === Etymology === Compound of ayid (“chest”) +‎ atsʼin (“bone”). === Noun === ayidtsʼin (anatomy) sternum, breast bone ==== Inflection ==== === References === Robert W. Young and William Morgan, Sr. (1987), The Navajo Language. A Grammar and Colloquial Dictionary, Albuquerque, New Mexico: University of New Mexico Press, page 139.