to love or pamper(?) (see Molina; Karttunen gives "to consent")
IPAspelling:
seyɑ
Alonso de Molina:
ceya. ni. (pret. onicez.) querer o consentir. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 15v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
CEY(A) pret: CEZ to consent / querer o consentir (M) This has a variant form CIY(A). CIY(A) See CEY(A). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 33.