formerly meant "a stone for closing the entrance of a cave;" then, "a shield," large and oblong, protecting every part of the soldier; the word is used metaphorically of faith, Ephesians 6:16 , which the believer is to take up "in (en in the original) all" (all that has just been mentioned), i.e., as affecting the whole of his activities.
With over 3,400 entries, this timeless classic is THE reference guide to New Testament Greek words for English readers. It explains the meaning of the original Greek with the added dimension of the context of the Greek word.Wikipedia
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