properly, to fasten to, i.e. (specially) to set on fire Derivation: a primary verb;
KJV Usage: kindle, light.
ἅπτω [in LXX chiefly for נָגַע ;] prop., to fasten to; hence, of fire, to kindle, light: Refs Luk.8:16 11:33 15:8, Act.28:2. Mid., with genitive, to fasten oneself to, cling to, lay hold of (so in π.; MM, see word): Refs Mat.8:3, 15, Jhn.20:17, al.; of carnal intercourse, 1Co.7:1; with reference to levitical and ceremonial prohibitions, Refs 2Co.6:17, Col.2:21; of hostile action, 1Jn.5:18 (cf. ἀν-, καθ-, περι- άπτω) SYN.: θιγγάνω, ψηλαφάω. ἅ. is the stronger, θ., to touch, the lighter term. ψ. is to feel, as in search of something (Tr., Syn., § xvii; Lft., Col., 201 f.) (AS)
1) to fasten to, adhere to 1a) to fasten fire to a thing, kindle, set of fire
A primary verb; properly to fasten to, that is, (specifically) to set on fire