Without beginning or end of duration, or without end only; with reference to or throughout eternity.

Perpetually; incessantly; at all times.

adverb. In an eternal manner.

adverb. For eternity; forever.

adverb. for a limitless time

"Though it will forever be unknown exactly how the name came about and myths will circle it eternally, the Japanese words gorira (gorilla) and kujira (whale) were combined and the beast became known as Gojira, which in turn became, in the west, Godzilla."

diurnally  externally  internally  

ad infinitum  always  boundlessly  ceaselessly  constantly