tlacuaquetza.

Headword: 
tlacuaquetza.
Principal English Translation: 

to get on one's knees, or to be on one's knees (see Horcasitas in the attestations)

Attestations from sources in English: 

omopepetlauh mecatl yn iquechtlan oquitlalli yc oquihualtititztia yn oncan fiscal yc niman altar mayor omotlancuaquetzato = stripped, with a rope placed at his neck, by which the fiscal there went pulling him until he knelt at the main altar. (central Mexico, 1612)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 198–199.

Attestations from sources in Spanish: 

Auh yn yuh quilhuique yn yehuatl yn sebastian niman motlacuaquetza yn imanyo ye momanepanohua, quitlatlauhtia yn totecuiyo dios ynic quitlatlauhti, quimolhuili... = y luego le dijeron a Sebastián; en el acto se arrodilló y cruzado de manos dirigió sus oraciones a Dios Nuestro Señor, diciendo...
Fernando Horcasitas, Teatro náhuatl: Epocas novohispana y moderna (México: Universidad Nacional Autónoma de México, Instituto de Investigaciones Históricas, 1974, 556.