to find something on time and season, or at the moment (see Molina)
IPAspelling:
immɑntiliɑ
Alonso de Molina:
immantilia. nitla. (pret. onitlaimmantili.) hallar algo atiempo y sazon, o a coyuntura. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 38r. col. 1. Thanks to Joe Campbell for providing the transcription.