sin·ew
| \ ˈsin-(ˌ)yü also ˈsi-(ˌ)nü
\
1
: tendon
especially
: one dressed for use as a cord or thread
3a
: solid resilient strength : power
astonishing intellectual sinew and clarity— Reynolds Price
b
: the chief supporting force : mainstay
—usually used in plural providing the sinews of better living— Sam Pollock
sinewed;
sinewing;
sinews