Principal English Translation:
principally, especially (see Molina)
Alonso de Molina:
Occenca ye. mayormente, o especialmente. Aduerbio.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, f. 74v.
Horacio Carochi / English:
oc yè cencâ = more than (comparative)
Horacio Carochi, Grammar of the Mexican Language: With an Explanation of its adverbs (1645), translated and edited with commentary by James Lockhart (), 323.
Attestations from sources in English:
From oc cenca plus ye as an intensifier.
Attestations from sources in Spanish:
Oc cenca ye = oc ye cenca = expresiones que igualmente equivalen a mucho...
Macario Torres, Estudios gramaticales sobre el "náhuatl" (León: Tip. de J. Rivera e Hijos, 1887).