Verbum Diei, die Mercurii, A D VI KAL MAI, anni AUC MMDCCLXX: agmen

Verbum diei hodie est:

agmĕn, agmĭnis: army, army on the march, march, collected multitude moving forward, line of battle, throng

3rd declension neuter

Caesar equitatu praemisso subsequebatur omnibus copiis; sed ratio ordoque agminis aliter se habebat ac Belgae ad Nervios detulerant.

Caesar, having sent his cavalry on before, followed close after them with all his forces; but the plan and order of the march was different from that which the Belgae had reported to the Nervii.

Julius Caesar, de Bello Gallico, 2.19

There aren't any English derivatives I can find.

Nonne habetis verba cara? Verba invisa? Verba jocosa? Date mihi verba vestra, et fortasse videatis hic!