ὑποζώννυμι G5269
hypozṓnnymi · hoop-od-zone'-noo-mee · Verb
from ὑπό and ζώννυμι; to gird under, i.e. frap (a vessel with cables across the keel, sides and deck):--undergirt.
1 Occurrence in the King James Bible
Acts 27:17Which when they had taken up, they used helps, undergirding the ship; and, fearing lest they should fall into the quicksands, strake sail, and so were driven.