across-the-board
UK[əˌkrɒs ðə ˈbɔːd]US[əˌkrɔːs ðə ˈbɔːrd]
adj
applying to all people, things, or situations in a particular group without exception
Etymology
The phrase 'across-the-board' is a 20th-century Americanism derived from horse racing terminology. On a totalizator betting board, a bet placed "across the board" covered all possible winning positions for a single horse: win, place, and show. This meant the bet applied to every listed outcome without exception. The literal sense of spanning the entire physical betting board was then metaphorically extended to describe any measure, rule, or change that applies universally and indiscriminately to all members of a category. The logic moves from a specific gambling practice to a general principle of comprehensive inclusion.
Analysis
This is a fixed adjectival phrase composed of three separate words: the preposition 'across', the definite article 'the', and the noun 'board'. It functions as a single lexical unit (a compound adjective). 'Board' in this context originates from Old English 'bord' (meaning a plank, table, or shield), which is of Germanic origin.
Examples
The company announced an across-the-board pay raise of five percent for all employees.
The new policy imposes across-the-board cuts on departmental budgets.
The treaty calls for across-the-board reductions in nuclear weapons.