to be able {T}; affect English is according to Thumi, p.208 {T}
1) firmness, firm, settled, established, steady. {rang tshugs}, stability. 2) to stand, withstand, bear, resistance. 3) [+ neg] - unharmed, never hurt / harmed, inflict injury. 4) to make up, form, constitute; [+ neg]} unharmed, never hurt / harmed, inflict injury; imp. of {'dzugs pa}
{sdod mi tshugs} unable to stay
See {'bru tshugs}