עָפַן
afan
Everyday HebrewBase formעָפַן
Formsעוֹפֵן / עוֹפֶנֶת / עוֹפְנִים / עוֹפְנוֹת
וַיַּעֲפִין is the masculine plural form of עָפַן
MeaningWhen food gets old and grows a soft, fuzzy green or white thing on it, it is not good to eat anymore.
HistoryThis word first appeared in the Mishnah, a book of Jewish laws written about 1800 years ago. It was used to talk about food that went bad and got moldy. The meaning is still the same today.
Example
The bread got moldy because we forgot it outside.