jounce en Griego
ρήμ. τινάσσομαι άνω και κάτω, τινάσσω άνω και κάτω
Gutman's bulbs jounced as he took three waddling backward steps away from the door.
Spurred, galled and tired by jouncing Bolingbroke.
a sudden jarring impact: blow, bump, shock, jar, jolt
move up and down repeatedly: travel, move, bounce, locomote, go