XP

\\ˈkīˈrō\ symbol

Etymology: from the Greek letters XP

— used as a Christian symbol and monogram for Christ

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abbrev

Extreme programming

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XP «KY ROH, KEE-»,

the first two letters (chi and rho) of the Greek word ΧΡΙΣΤΟΣ (Christos, Christ), used as an abbreviation alone or in combination; Chi-Rho; Christogram.