Biblical Word Etymology
The Etymology of “Zeal”
The biblical word “Zeal” traces back to Hebrew / Greek (zelos (Greek), qin'ah (Hebrew)), where it meant “Fervent devotion, passionate intensity, jealous concern”. Across 3eras it evolved into the modern sense: “Intense enthusiasm and devotion to a cause or person”.
How the Meaning Evolved
Ancient Hebrew/Greek
Hebrew / Greekzelos (Greek), qin'ah (Hebrew)Fervent devotion, passionate intensity, jealous concern
Greek zelos (G2205) intense fervor, jealousy. Hebrew qin'ah (H7068) jealousy, zealous concern; used for God's zeal in Exod 20:5. Paul describes his zeal in Acts 22:3; Phil 3:6.
Medieval Latin / Church
LatinzelusFervent devotion to God and His cause, passionate intensity
Latin zelus from Greek zelos. Medieval monasticism cultivated "zeal" for God's service; distinguished righteous zeal from envious or angry passion.
Modern English
EnglishzealIntense enthusiasm and devotion to a cause or person
From Old French zele < Latin zelus < Greek zelos. In English by 13c for ardent devotion; often with religious connotation of passionate piety.