friborgEtymologyFrom Old English friborh, from fri (“peace”) + borh, borg (“pledge”), akin to English borrow. The first part of the word was confused with free and the last part with borough.friborg means the pledge and tithing, afterwards called by the Normans frankpledge. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe pledge and tithing, afterwards called by the Normans frankpledge