cadre

frame (of a door or picture); backbone (of an organization); box, square (on a printed page); executive, middle manager; scope, framework

“Vendredi soir, j'étais invité à une soirée chez un collègue de travail. On était une bonne trentaine, rien que des cadres moyens âgés de vingt-cinq à quarante ans.” — Friday night, I was invited to a party at a work colleague's house. There were thirty or so of us there, just middle managers between the ages of twenty-five and forty.

Borrowed from Italian quadro (“framed painting, square”), from Latin quadrum, from quattuor (“four”). Cf. Old French querre, inherited from the same source; see also carre.