wiggle comes from Middle English wigelen, probably from Middle Low German or Middle Dutch wiggelen ('to wobble, totter'), a frequentative related to wegen ('to move'). The explanation preserves that uncertainty: the proposed comparisons illuminate the form, but they do not turn the word into a securely traced inheritance or borrowing. In modern use, the verb sense is "to move with small, quick movements from side to side", which keeps the etymology connected to the word's present dictionary value rather than treating it as a merely historical label. The wider word family includes related English forms such as waggle, wriggle and derivatives such as wiggly, wiggler, showing how the same base continues to support neighboring English vocabulary. The principal historical forms in the chain include Middle Dutch wiggelen, which anchor the explanation in named linguistic material.