- Original: ζεστός - Transliteration: Zestos - Phonetic: dzes-tos' - Definition: 1. boiling hot, hot 2. metaph. of fervour of mind an zeal - Origin: from G2204 - TDNT entry: 16:36,3 - Part(s) of speech: Adjective - Strong's: From G2204 ; boiled that is (by implication) calid (figuratively fervent): - hot.