somma

Etymology
Named after Mount Somma, a stratovolcano in southern Italy with a summit caldera in which the upper cone of Mount Vesuvius has grown.

Noun

 * 1)  A volcanic caldera that has been partially filled by a new central cone.

Etymology 1
From.

Noun

 * 1) sum, amount
 * 2) addition, sum
 * 3) gist, essence, sum, conclusion
 * 4) summit, pinnacle, top, peak (the highest point)
 * 5) a learned exposition, typically theological or philosophical
 * 1) summit, pinnacle, top, peak (the highest point)
 * 2) a learned exposition, typically theological or philosophical

Etymology
.

Noun

 * 1) sum, total