to whitewash / to paint walls
im-byan-KAH-reh
'Imbianchino' is the tradesman who whitewashes or paints walls — different from an artist ('pittore').
Dobbiamo imbiancare le pareti del soggiorno.
We need to paint the living room walls.
Il muratore ha imbiancato tutta la casa.
The painter whitewashed the whole house.