in o.

Headword: 
in o.
Principal English Translation: 

that, or after that, or as soon as (see Molina)

Alonso de Molina: 

in o. aquesse, o aquessa, aquesso, o despues que, o luego que.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 39r. col. 1. Thanks to Joe Campbell for providing the transcription.