ground zero

Etymology
From, first attested in a June 1946 a report by the on the atomic bombing of Hiroshima and Nagasaki, Japan, on August 6 and 9, 1945, during World War II. “Zero” was used as the code name for the location of the Trinity atomic bomb test – the first detonation of a nuclear weapon – in New Mexico, USA, on July 16, 1945.

Noun

 * 1) Originally, the point on the land or water surface below which a nuclear bomb detonates in the air; now also the point on such a surface at or above the detonation.
 * 2)  The location of any disaster or violent assault.
 * 3)  The point at which something begins.
 * 1)  The location of any disaster or violent assault.
 * 2)  The point at which something begins.
 * 1)  The point at which something begins.
 * 1)  The point at which something begins.
 * 1)  The point at which something begins.
 * 1)  The point at which something begins.

Translations

 * Basque: zero gune
 * Chinese:
 * Mandarin: 爆心投影點,
 * Dutch: maalde nul
 * Esperanto: nultero
 * Estonian: plahvatuse epitsenter
 * Finnish:
 * French:
 * German: Bodennullpunkt
 * Hebrew: גראונד זירו
 * Hungarian:
 * Italian: terra zero
 * Japanese: グラウンドゼロ,, 爆心地点, 落下地点
 * Korean: 그라운드 제로
 * Latin: solum nihil, terra nihil
 * Polish: strefa zero
 * Portuguese: ponto de impacto
 * Russian: эпице́нтр взрыва
 * Serbo-Croatian:
 * Cyrillic: ну̏лтӣ та̏чка, површинска ну̏ла
 * Roman: nȕltī tȁčka, povrsinska nȕla
 * Spanish: punto cero, tierra cero, zona cero
 * Turkish: yer sıfır noktası