"state or quality of containing pores," late 14c., porosite, from Old French porosité, from Medieval Latin porositas (13c.), from Latin porus (see pore (n.)).
Entries linking to porosity
pore n.
late 14c., "minute opening, small orifice, or perforation" in the earth, a tree, the body of a human, animal, or insect, a bone, etc.," from Old French pore (14c.) and directly from Latin porus "a pore," from Greek poros "a pore," literally "passage, way," from PIE *poro- "passage, journey," suffixed form of PIE root *per- (2) "to lead, pass over."