perductio
From LSJ
Latin > English (Lewis & Short)
perductĭo: ōnis, f. perduco, I. A. 2.,
I a leading, conducting of water (only in Vitr.): aquarum perductiones ad habitationes, Vitr. 8, 6.
Latin > French (Gaffiot 2016)
perductĭō, ōnis, f., conduite [d’eau] : Vitr. Arch. 8, 5.