thundering

Etymology 1
From, , equivalent to.

Adjective

 * Of, pertaining to, or accompanied by thunder.
 * 1) Producing a noise or effect like thunder; thunderous.
 * 2)  Very great; extraordinary.

Etymology 2
From, , from , equivalent to.

Noun

 * 1) A loud percussive sound, like thunder.
 * 2)  A thunderstorm.
 * 1)  A thunderstorm.