Sterno-

·- A combining form used in anatomy to indicate connection with, or relation to, the sternum; as, sternocostal, sternoscapular.

sterno
sterno, strāvi, strātum, 3 (pluperf. sync. strarat, Manil. 1, 774: strasset, Varr. ap. Non. 86, 8), ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
sterno
sternō strāvī, strātus, ere STER-, to spread out, spread abroad, stretch out, extend, strew, scatt...

An Elementary Latin Dictionary