en·fi·lade 
(
ĕn
′f
ə-l
ād
, -läd
)
n.1. Gunfire directed along the length of a target, such as a column of troops.
2. A target vulnerable to sweeping gunfire.
3. Architecture A linear arrangement of a series of interior doors, as to a suite of rooms, so as to provide an unobstructed view when the doors are open.
tr.v. en·fi·lad·ed,
en·fi·lad·ing,
en·fi·lades To rake with gunfire.
[French, series, string, row, from enfiler, to string together, run through, from Old French : en-, in, on; see EN-1 + fil, thread (from Latin fīlum; see gwhī- in the Appendix of Indo-European roots).]

enfilade