
English word echelon comes from Latin scando (I clamber. I climb, ascend, mount.), Romanian scalae, Aromanian scalae, Middle French eschelle (Ladder.)
scando (Latin)
I clamber. I climb, ascend, mount.
scalae (Romanian)
scalae (Aromanian)
eschelle (Middle French)
Ladder.
*skand-sla (Latin)
scala (Latin)
(plural only) stairs (flight of steps). Ladder.
eschiele (Old French)
Ladder.
échelle (French)
(figuratively) ladder. Ladder. Scale, proportion, size.
échelon (French)
(Louisiana French) soup bone. Echelon. Rung.
echelon (English)
(transitive, military) To form troops into an echelon. (linear algebra) Of a matrix: having undergone Gaussian elimination with the result that the leading coefficient or pivot (that is, the first nonzero number from the left) of a nonzero row is to the right of the pivot of the row above it, giving rise to a stepped appearance in the matrix. (cycling) A line of riders seeking maximum [...]