c.1300, perhaps from O.E. *purian, suggested by spyrian "to investigate, examine," and spor "a trace, vestige."
pore
late 14c., from L. porus "a pore," from Gk. poros "a pore," lit. "passage, way," from PIE *por- "going, passage," from base *per- "to lead, pass over" (see port (1)).
A tiny opening, as one in an animal's skin or on the surface of a plant leaf or stem, through which liquids or gases may pass.
A space in soil, rock, or loose sediment that is not occupied by mineral matter and allows the passage or absorption of fluids, such as water, petroleum, or air.