or swithe

verb (used with object)
  1. Scot. to hurry; hasten.

Origin of swith

before 900; Middle English (adv.), Old English swīthe strongly, equivalent to swīth strong (cognate with German geschwind, Old Norse svinnr fast, Gothic swinths strong) + -e adv. suffix
Related formsswith·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for swithed

Historical Examples of swithed