FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

kaleo καλέω — kal-eh'-o — akin to the base of 2753; to "call" (properly, aloud, but used in a variety of applications, directly or otherwise):--bid, call (forth), (whose, whose sur-)name (was (called)).

see GREEK for 2753