DictionaryRoot: flecche
Middle English
flecche
to bend or flinch
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verb / noun
flinch
FLINCH/flɪntʃ/
A sudden movement away from pain, fear, or an expected impact.
Etymology
Flinch apparently comes from Middle English flecche, meaning “to bend or flinch.” The bending image connects with the small bodily recoil made in response to fear, pain, or surprise.