Then Ehud
'Ehuwd  (ay-hood')
united; Ehud, the name of two or three Israelites -- Ehud.
went forth
yatsa'  (yaw-tsaw')
to go (causatively, bring) out, in a great variety of applications, literally and figuratively, direct and proxim.
through the porch
micdrown  (mis-der-ohn')
a colonnade or internal portico (from its rows of pillars) -- porch.
and shut
cagar  (saw-gar')
to shut up; figuratively, to surrender -- close up, deliver (up), give over (up), inclose, pure, repair, shut (in, self, out, up, up together), stop, straitly.
the doors
deleth  (deh'-leth)
something swinging, i.e. the valve of a door -- door (two-leaved), gate, leaf, lid. (In Psa. 141:3, dal, irreg.).
of the parlour
`aliyah  (al-ee-yaw')
something lofty, i.e. a stair-way; also a second-story room (or even one on the roof); figuratively, the sky -- ascent, (upper) chamber, going up, loft, parlour.
upon him and locked
na`al  (naw-al')
to fasten up, i.e. with a bar or cord; hence, to sandal, i.e. furnish with slippers -- bolt, inclose, lock, shoe, shut up.