Answer: startin

AnswerCrossword Clue
STARTIN

Commence

STARTIN

Pick a fight

STARTIN

Take the first bite, e.g.

STARTIN
Get to work
STARTIN
Take the first step
STARTINBegin.
STARTINBegin
STARTINBegin work
STARTINGet to work (on)
STARTINCommence working
STARTINGet the ball rolling