Etymograph > Indo-European > Old English > Dictionary > þennan

V

to stretch, spread out, extend, bend (a bow)

Source: Ringe 2014:52, https://bosworthtoller.com/31665
originates from: PWGmc *þannjan "to extend" (þannjan > þąnnjan > þannjan > þænnjan > þennjan > þennan) through pwgmc-to-oe
(source: Ringe 2014:52)