the.com/misstep
A small wrong move that lands with the gravity of a large one.
means A mistake or error in judgment, especially one that's minor but consequential or embarrassing.
from Literally a step gone wrong — from Old English 'mis-' (badly, wrongly) plus 'step,' once meaning a stumble of the actual foot before it tripped into metaphor.
Polite cousinBoardrooms favor it over blunder, fiasco, or catastrophe.
Body to brainMigrated from literal stumbles to figurative ones.
PR favoriteDowngrades disasters into manageable little oopses.