suillage

• sulliage
• sullage

From Old French souillage, soillage, from souiller, soiller. See soil (“to stain”), and compare sullage.

suillage (usually uncountable, plural suillages)

1. (obsolete) A drain or collection of filth.
   • 1624, Henry Wotton, The Elements of Architecture, […], London: […] Iohn Bill, →OCLC:

     touching Conducts for the Suillage and other necessities of the House

• “suillage”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• ill-usage, sulliage