tumbar

Etymology
From an / expressive root tumb- or tomb-, imitating the sound of rolling, tumbling, or falling. Compare 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, etc.

Verb

 * 1)  to knock over, tip
 * 2)  to fall
 * 3)  to lie down
 * 1)  to lie down
 * 1)  to lie down