Bertha
来自Big Physics
wiktionary
From Old High German berhta(“bright one”), which was an epithet of the goddess Frigg.
etymonline
Bertha
fem. proper name, from Old High German Berahta, Perahta, the name of a goddess, literally "the bright one," from Old High German beraht "bright," related to Old English beorht (from PIE root *bhereg- "to shine; bright, white"). Soldiers' nickname Big Bertha for large-bore German mortar of World War I is a reference to Frau Bertha Krupp von Bohlen und Halbach (1886-1957), owner of Krupp steel works from 1903-43.
