yeouiptla. antier. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 35v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
YEŌHUĪPTLA day before yesterday / anteayer (M), antes de ayer (C) [(3)Cf.95r, (1)Zp.231]. This is constructed of YE ‘already,’ antecessive Ō and HUĪPTLA, which alone has the sense of ‘day after tomorrow.’ See YE, HUĪPTLA. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 338.