évacuation

evacuation (act of emptying); a drain (for a sink, shower, etc.)

“Fig. 47 – Pompéi, boulangerie VII 12, 7 – Bassin d’impluvium ( ?) dont l’évacuation est bouchée mais qui est maintenu dans la boulangerie.” — Fig. 47 - Pompeii, bakery VII 12, 7 - Impluvium basin (?) whose drain is clogged but which is maintained in the bakery.