προχθές
προχθές, the day before yesterday
Alas! Could not find the search term προχθές.
Found the closest form προχάνα. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
✓ feminine nominative singular of προχάνη
No checked forms of προχθές in the morphology database.