From the same as shabab; flame (as split into tongues) -- spark.
see HEBREW shabab
H7632. shabib
[שָׁבִיב] noun masculine probably flame (Biblical Aramaic שְׁבִינ); — construct אִשּׁוֺ שְׁבִיב יִגַּהּ וְלֹא Job 18:5 ("" אוֺר); so Ecclus 8:10; Ecclus 45:19.