Knight or horseman
Chevi is likely a modern diminutive or phonetic variation of the French word 'chevalier', meaning knight or horseman. It may also be used as a shortened form of the surname-turned-given-name Chevy, which gained recognition through the American automotive brand and the actor Chevy Chase.
Less common today
Chevi isn't in the latest US Top 1000. It last peaked at #8,142 in 2015.
American comedian and actor
US births per 5-year period, 1990βpresent (SSA data).