The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix II
Semitic Roots
ENTRY:
wkl.
DEFINITION:
To trust, rely. Tiglathpileser, from Hebrew tiglat pileser, from Akkadian tukult-apil-earra, my trusted one (is) the heir of Esharra, from tukult, my trusted one, from tukultu, trust, object of trust, from taklu, to trust, alteration of earlier waklum (apil, heir; see pl).