drawbridge
UK[ˈdrɔːbrɪdʒ]US[ˈdrɔːbrɪdʒ]
n
a bridge, especially one over a castle moat, that can be raised or drawn aside to prevent access.
Morpheme Breakdown
draw
bridge
draw
to drag, pull, draw.
bridge
a structure carrying a path or road over a depression or obstacle.
Etymology
the word 'drawbridge' is a transparent compound from old english, combining the verb 'draw' and the noun 'bridge'. the term literally describes a bridge that is drawn up or pulled aside, a defensive feature common in medieval castle architecture. the old english dragan (to pull) is from proto-germanic draganą and ultimately from the pie root dʰreǵʰ- (to pull, draw, drag). the old english brycg comes from proto-germanic brugjō, with uncertain pie origins. the compound perfectly captures the functional mechanism of the structure, where the bridge itself is the object that is physically drawn or pulled to open or close the passage.
Analysis
Structure: draw + bridge
draw: from old english dragan, meaning "to drag, pull, draw." it is a verb root indicating a pulling action.
bridge: from old english brycg, meaning "a structure carrying a path or road over a depression or obstacle." it is a noun root.
Examples
the castle's drawbridge was raised every night for security.
they crossed the wooden drawbridge over the moat.
the mechanism for lowering the heavy drawbridge was operated from within the gatehouse.