the.com/head start

means An advantage of beginning before others do — extra time, distance, or opportunity gained at the outset that makes the rest of the race easier.

from A straightforward compound from 'head' (the front or leading position) and 'start' (the beginning of a race or activity), tracking back to literal footraces and horse races where one competitor was allowed to begin ahead of the others. The phrase stayed close to its literal roots for a long time before it galloped into general use for any early advantage in life, school, or business — the 'Head Start' preschool program of the 1960s later cemented it in everyday American vocabulary as shorthand for getting a leg up before the real race begins.