Origin of tighten
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to make or become tight or tighter
- tighten one's belt to economize
Word Origin and History for overtighten
"to make tight," 1727; the earlier verb was simply tight, from Old English tyhtan, from the root of tight. Related: Tightened; tightening.
Online Etymology Dictionary, © 2010 Douglas Harper