Why is the ninth month called September?
masc. proper name, from Latin dexter "on the right hand" (see dexterity). Cf. also Benjamin.
dexter dex·ter (děk'stər)adj. Of or located on the right side.
A despised person who is a zealous student, computer user, etc; chiphead, propeller head: A dexter, that's your asi nerd, dork, or pud (1980s+ Teenagers)