to fasten.pst.3sg
befæstanV (v-weak-1)to fasten, make fast, fixSource: https://bosworthtoller.com/3364, https://en.wiktionary.org/wiki/befæstan#Old_Englishoriginates from: PWGmc *bifastijan "to make fast, secure" (bifastijan > bifæstijan > bifæstjan > bifestjan > bifestan) through pwgmc-to-oeInflected formsbefæste "to fasten.pst.3sg" (oe-past-3sg) in Ælfric's Lives of Saints - Saint EugeniaParadigms
to fasten, make fast, fix