DictionaryRoot: shoderen
Middle English
shoderen
tremble, quake, shiver
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verb / noun
shudder
SHUD-er/ˈʃʌdər/
A sudden trembling movement, often caused by cold or strong emotion.
Etymology
Middle English shoderen already meant “tremble” or “shiver.” The modern verb focuses on a sudden bodily quiver, whether brought on by cold, fear, disgust, or other strong feeling.