Strong's Concordance

Original word: ὑπεροχή
Transliteration: huperoché
Definition (short): authority
Definition (full): a projection, eminence

NAS Exhaustive Concordance

Word Origin: from huperechó
Definition: a projection, eminence
NASB Translation: authority (1), superiority (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From huperecho; prominence, i.e. (figuratively) superiority (in rank or character) -- authority, excellency.

see GREEK huperecho

KJV: And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.
NASB: And when I came to you, brethren, I did not come with superiority of speech or of wisdom, proclaiming to you the testimony of God.
KJV: For kings, and for all that are in authority; that we may lead a quiet and peaceable life in all godliness and honesty.
NASB: for kings and all who are in authority, so that we may lead a tranquil and quiet life in all godliness and dignity.