Principal English Translation:
service of someone, performed for someone (a necessarily possessed form)
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 239.
Lockhart’s Nahuatl as Written:
final ā is probably long when anything follows. passive abstract deverbal noun from tlayecoltia.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 239.
Attestations from sources in Spanish:
tlayecoltiloca = servicio
Rémi Siméon, Diccionario de la lengua náhuatl o mexicana (Mexico: Siglo XXI, 1996), xxxvii.
itlaecoltilocatzin = el servicio (Cuauhtinchan, Puebla, s. XVI)
Luis Reyes García, "Ordenanzas para el gobierno de Cuauhtinchan, año de 1559," Estudios de Cultura Náhuatl 10 (1972), 252–253.