The story
After Austrian and Slovak mathematician Alfred Tauber (1866-1942).
Etymology from Wiktionary, CC BY-SA 4.0.
Tauberian theorem
Today it means: Any of a class of theorems which, for a given Abelian theorem, specifies conditions such that any series whose Abel sums converge (as stipulated by the Abelian theorem) is in fact convergent. Full definition →