James Strong, Strong's Exhaustive Concordance of the Bible… (1890)
“ Beelzebub.955 Βελίαλ (bel-ee'-al) : of Hebrew origin (בְּלִיַּ֫עַל) ; worthlessness; Belial, as an epithet of Satan: Belial.956 βέλος (bel'-os) : from βάλλω; a missile, i.e. spear or arrow: dart.957 βελτίον (bel-tee'-on) : neuter of a compound of a derivative of βάλλω (used for the comparative of ἀγαθός) ; better: very well. ”
