Meaning

verb try to manage without help

verb withstand the force of something

originFrom Middle English fenden (“defend, fight, prevent”), shortening of defenden (“defend”), from Old French deffendre (Modern French défendre), from Latin dēfendō (“to ward off”), from dē- + *fendō (“hit, thrust”), from Proto-Italic *fendō, from Proto-Indo-European *gʷʰen- (“strike, kill”).

Etymology from Wiktionary, CC BY-SA 3.0