A — 1: ἐκτενής
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(Strong's #1618 — Adjective — ektenes — ek-ten-ace' )

denotes "strained, stretched" (ek, "out," teino, "to stretch"); hence, metaphorically, "fervent," 1—Peter 4:8 . Some mss. have it in Acts 12:5 , for the adverb (see B). Cp. ekteneia (with en), "intently, strenuously," in Acts 26:7 , AV, "instantly," RV, "earnestly." Cp. EARNEST.

B — 1: ἐκτενῶς
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(Strong's #1619 — Adverb — ektenos — ek-ten-oce' )

"fervently" (akin to A), is said of love, in 1—Peter 1:22; of prayer, in some mss. Acts 12:5 (see under A); for the comparative degree in Luke 22:44 , see EARNESTLY.

C — 1: ζέω
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(Strong's #2204 — Verb — zeo — dzeh'-o )

"to be hot, to boil" (Eng. "zeal" is akin), is metaphorically used of "fervency" of spirit, Acts 18:25; Romans 12:11 .

Colossians 4:122—Corinthians 7:7James 5:17James 5:16 HEAT