hiyyo
adverb yesterday Vin.i.28; Vin.ii.77; Ja.i.70, Ja.i.237; Ja.v.461 Ja.vi.352, Ja.vi.386; Mil.9. In sequence ajja hiyyo pare it seems to mean “to-morrow”; thus at Vin.iv.63, Vin.iv.69; Ja.iv.481 (= sve C.). See para 2c.
Vedic hyaḥ, Gr. ξχές, Lat. heri; Goth. gistradagis “to-morrow,” E. yester-day, Ger. gestern etc.