רֶשֶׁף (reshephreh'-shefnoun|masculineflame)
[Heb] רֶשֶׁף ETCBC: רֶשֶׁף‎ (subs|flame) OSHL: t.eu.ab TWOT: 2223a GK: H8404 Greek: ἄνθραξ, κράτος, πῦρ
Derivation: from שָׂרַף;
Strong's: a live coal; by analogy lightning; figuratively, an arrow, (as flashing through the air); specifically, fever
KJV: arrow, (burning) coal, burning heat, [phrase] spark, hot thunderbolt.