early 14c., "a counting, a calculation," also "an account of money or property;" late 15c., "the total number, the total counted," from Anglo-French counte, Old French conte "a count, a reckoning, calculations," from conter "to count, add up," from Latin computare "to count, sum up, reckon together" (see compute).
Meaning "estimation, esteem, consideration" is from late 15c. In law, "each charge in an indictment," from 1580s. In boxing, "the counting by the referee of the 10 seconds allowed a fallen fighter to get up again," by 1902. In baseball and softball, "the number of strikes and balls thrown to a batter in a turn at the plate," by 1909.