the.com/stagnate
To stand so still that life starts growing mold on you.
means To stop developing, moving, or improving, settling instead into a dull, motionless rut.
from From Latin stagnum, a still pond or standing water — the kind that goes green, smelly, and lifeless because nothing flows through it.
Water rootsOriginally described literal stagnant ponds, not careers.
Same familyCousin to stagnant and the lagoon-like stagnum.
Motion mattersImplies decay, not just pause — stillness rots.