Meaning

adjective having rugged physical strength; inured to fatigue or hardships

adjective not making concessions

adjective substantially made or constructed

originFrom Middle English sturdy, stourdy, stordy (“bold, valiant, strong, stern, fierce, rebellious”) (perhaps influenced by Middle English sture, stoure, stor (“strong, robust, harsh, stern, violent, fierce, sturdy”); see English stour), from Old French estourdi (“dazed”), form of estourdir, originally “to daze, to make tipsy (almost drunk)” (Modern French étourdir (“to daze, to make tipsy”)), from…

Etymology from Wiktionary, CC BY-SA 3.0