perductio
Could not find perductionibus in Logeion dictionaries.
perductionibus Noun: feminine dative plural, Noun: feminine ablative plural of perductio
perductĭo, ōnis, f. [perduco, I. A. 2.],
- a leading, conducting of water (only in Vitr.): aquarum perductiones ad habitationes, Vitr. 8, 6.
perductio, ōnis, f. (perduco), die Hinführung, Hinleitung, perductiones aquarum, Vitr. 8, 5 in.
circa ~ionem materie istius usque ad conclusionem
perductĭō, ōnis, f. , conduite [dʼeau] : Vitr. Arch. 8, 5.