تعاهدوا
1.
They united in a compact, a contract, a covenant, an agreement, a confederacy, a league, a treaty, or an engagement, [عَلَى كَذَا
respecting, or to do, such a thing;] synonym تَعَاقَدُوا, (S and K in article عقد,) and تَحَالَفُوا. (S and K in article حلف.)
2.
See also 5, in six places.