The etymology of the word is often understood as "lacking worth", from two common words: beli- (בְּלִי "without-") and ya'al ( יָעַל "to be of value").
Image: 'Enter Scorpius' by Al Wiggins Jr.
Sagacious, Honorable, Intuitive, Vigorous, Apollyon: S.H.I.V.A. (Apollyon means Destroyer) Apocalypse 9:11 (NLT)