Translation Question—isse?


いっせのせでふみこむゴウライン。

"Isse no se de fumikomu gourain"

*gourain here means _goal line_

The translation for the sentence above is "(All) together (now), make a break
for the goal line." My confusion is in the first half. What does isse mean? Is
it a variable form of issho? A verb maybe? The verb 'issu' doesn't exist
though. Does it only mean what it means coupled with "no se"? What does _that_
mean? If you can help, it'd be much appreciated.




いっせのせ is more like "on three" when doing countdowns in the English language.
It is not rare in Japan to do countdowns with the phrase "せーの" to time actions
together.

