sinewy
sin.ewy \'sin-y*-we- also 'sin-*-\ aj 1: having sinews : 1a: TENDINOUS 1b: marked by strong or prominent sinews 2: strong and firm : TOUGH
Webster's English Dictionarysin.ewy \'sin-y*-we- also 'sin-*-\ aj 1: having sinews : 1a: TENDINOUS 1b: marked by strong or prominent sinews 2: strong and firm : TOUGH