κελεύω

Etymology
. Beekes notes that, if it derives from, the -ευ- 'remains unexplained', and compares it to and.

Verb

 * 1) to urge, bid, exhort
 * 2) to command, order

Usage notes
The person being urged or commanded generally takes the accusative (and sometimes the dative), and the action being requested takes the infinitive.