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Zealous

2 stages from Greek to English.

Today it means showing great energy, enthusiasm, or devotion to a cause
1
Stage 1 of 2
zelos
Greek · ancient
"ardent devotion, fervor"
ardent devotion, fervor, or jealousy
2
Stage 2 of 2
zealous
English · 1500s
"showing great energy and enthusiasm for a cause"
settled as the English word for showing great energy and enthusiasm
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