c. 1300, defendour, "one who protects from injury a champion" (early 13c. as a surname), via Anglo-French from Old French defendeor, agent noun from defendre (see defend). The Latin word in this sense was defensor.
Entries linking to defender
defend v.
mid-13c., defenden, "to shield from attack, guard against assault or injury," from Old French defendre (12c.) "defend, resist," and directly from Latin defendere "ward off, protect, guard, allege in defense," from de "from, away" (see de-) + -fendere "to strike, hit, push," attested only in compounds (such as offendere "to strike against; encounter;" infensus "aggressive, hostile"), from PIE root *gwhend- "to strike, kill" (source also of Hittite kue(n)zi "to kill," Sanskrit ghnanti "to kill; Greek theino "to slay, to kill;" Armenian jnem "to strike;" Lithuanian ginti "to protect, defend;" Old Irish gonaid "wounds, kills;" Welsh gwan "to thrust, hit;" Old Breton goanaff "to punish, sting").
It is attested from c. 1300 as "fight in defense of" (someone or something). From mid-14c. as "defend with words, speak in support of, vindicate, uphold, maintain." In Middle English it also could mean "forbid, prohibit; restrain, prevent." In the Mercian hymns, Latin defendet is glossed by Old English gescildeð. Related: Defended; defending.
fender n.
late 13c., shortening of defender. Originally something hung over the side to protect the hull of a ship at a wharf, pier, etc. Of fireplaces since 1680s; of automobiles from 1919. Fender-bender "minor automobile accident" is from 1958.
