early 14c., "pass across, over, or through," from O.Fr. traverser
"to cross, thwart" (11c.), from V.L. *traversare,
from L. transversare
"to cross, throw across," from L. transversus
"turn across" (see transverse
). The noun meaning "act of passing through a gate, crossing a bridge, etc." is recorded from 1347; meaning "a passage by which one may traverse" is recorded from 1670s. Military foritifcation sense of "barrier, barricade" is recorded from 1590s.