- Original: ζέω - Transliteration: Zeo - Phonetic: dzeh'-o - Definition: 1. to boil with heat, be hot a. used of water b. metaph. 1. used of boiling anger, love, zeal, for what is good or bad etc. 2. fervent in spirit, said of zeal for what is good - Origin: a primary verb - TDNT entry: 16:35,3 - Part(s) of speech: Verb - Strong's: A primary verb; to be hot (boil of liquids; or glow of solids) that is (figuratively) be fervid (earnest): - be fervent. Total KJV Occurrences: 2 • fervent, 2 Act 18:25; Romans 12:11