Meaning

noun a step to one side (as in boxing or dancing)

verb avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)

originEtymology tree Proto-Indo-European *seh₁-der. Proto-Germanic *sīdaz Proto-Germanic *sīdǭ Old English sīde Middle English side English side Proto-Germanic *stapjaną Proto-West Germanic *stappjan Old English stæppan Middle English steppen English step English sidestep From side + step.

Etymology from Wiktionary, CC BY-SA 3.0