fidget (n.)Related entries & more
1670s, as the fidget "uneasiness," later the fidgets, from a verb fidge "move restlessly" (16c., surviving longest in Scottish), perhaps from Middle English fiken "to fidget, hasten" (see fike (v.)).
finagle (v.)Related entries & more
"get dishonestly or deviously," 1926, American English, possibly a variant of English dialectal fainaigue "to cheat or renege" (at cards), which is of unknown origin. Liberman says finagle is from figgle, phonetic variant of fiddle "fidget about," frequentative of fig. Related: Finagled; finagling.