Apparently a primary word; a gate, i.e. The leaf or wing of a folding entrance (literally or figuratively) -- gate.

πύλαι (pulai) − 1 Occurrence

πύλας (pulas) − 1 Occurrence

πύλη (pulē) − 4 Occurrences

πύλην (pulēn) − 1 Occurrence

πύλης (pulēs) − 3 Occurrences