kupe•m
{глагол второго спряжения} [Generate paradigm] 1. to grow moldy (A.E.), to grow mouldy (B.E.)
♢ loža•š kupe•n {предложение} the flour grew moldy
2. to be covered by algae, to be covered with pond scum
♢ ši•nč́ə̑še jer kupe•n {предложение} the stagnant lake became covered with algae