flank
UK[flæŋk]US[flæŋk]
n
the side of something, especially an animal's body or a military formation.
v
to be situated on each side of or to attack the side of something.
Etymology
the word "flank" entered english in the late old english period, borrowed from old french flanc, which itself likely originated from a frankish source. this germanic root is related to old high german hlanca (loin), tracing back to the proto-germanic hlankō, meaning "bend" or "curve," possibly referring to the curved part of the body between the ribs and hip. the semantic progression from a physical "side" or "loin" to its military application for the side of an army is a straightforward metaphorical extension, solidifying its core meaning related to lateral position.
Analysis
the word is a simplex unit derived from old french flanc.
Examples
the horse had a white patch on its left flank.
the general ordered his troops to flank the enemy's position.
tall trees flanked the narrow country road.