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sturdy

/ˈstɝdi/

strong, solid, and resistant to damage

From Vulgar Latin, via Old French *exturdire (to stun or daze).

adjective
*exturdire
Vulgar Latin
Verified
*exturdire
reconstructed
Reconstructed verb meaning “to stun, daze”; ultimate formation is disputed.

from Vulgar Latin *exturdire (source also of Spanish atordir "to stun, daze," earlier estordir ), which some presume to...

+1 more source
Old French
Verified
estordi
“Dazed,” “violent”; the past-participial form of estordir.

from Old French estordi , estourdi (11c., Modern French étourdi ) "violent," originally "dazed," past participle of...

Middle English
Verified
sturdy, stourdy, stordy
“Bold, valiant, fierce, rebellious,” with possible influence from native English stour/sture.

from Middle English sturdy, stourdy, stordy (“bold, valiant, strong, stern, fierce, rebellious”) (perhaps influenced by...

Modern English
Verified
sturdy
“Strongly built” of people and objects; figurative senses developed from earlier forceful or violent meanings.

from Middle English sturdy, stourdy, stordy (“bold, valiant, strong, stern, fierce, rebellious”) (perhaps influenced by...

Modern English
sturdy

Picture a medieval French speaker describing someone as estourdi: not yet a dependable, well-built person, but someone dazed, tipsy, violent, or generally difficult to control. That word traveled into Middle English around the late twelfth or early thirteenth century and became sturdy, initially carrying ideas such as “fierce,” “rebellious,” and “bold in fighting.” The later sense of a sturdy wall or sturdy oak may have grown from the image of force made physical—or perhaps from the notion of a blow strong enough to daze someone. The deepest link is genuinely murky: one theory connects Vulgar Latin *exturdire with Latin turdus, “thrush,” imagining grape-eating birds staggering drunkenly around Roman vineyards, but the OED considers this explanation seriously doubtful. French étourdi and Spanish atordir preserve the older “dazed” neighborhood, while English sturdy eventually moved toward the compliment we use today: reliable strength rather than alarming violence. A sturdy person is therefore, etymologically speaking, a former troublemaker who has learned to stand up straight.

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