tlacotl.

Headword: 
tlacotl.
Principal English Translation: 

a second-born child, typically written without the absolutive (Tlaco)

Orthographic Variants: 
Tlaco
Attestations from sources in English: 

tlacotl = second born (like teicui) (central Mexico, sixteenth century)
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 255.

themes: 
Children, Childhood, Adolescence