Etymology

From Latin contractum (compare French contracter), past participle of contrahō ‎(“I draw, bring or drag several objects together; collect, assemble, gather, amass; I bring about, accomplish, execute, get, cause, produce, make; I make a contract, conclude, transact, do business, contract”), from con- ‎(“with, together”) + trahō ‎(“to draw, to pull”).