عثر

Verb

 * 1)  to stumble, to trip
 * 2)  to cause to stumble or trip, to trip

Verb

 * 1)  to stumble upon, to find, to encounter
 * 2) to find out, to discover
 * 1) to find out, to discover

Verb

 * 1)  to cause to stumble or trip, to trip up