subaid
verbEtymology From sub- + aid.
1
To aid secretly; to assist in a private manner, or indirectly.
- […]they ſub-ayded the Gaules againſt him[…]1612, Samuel Danyel [i.e., Daniel], “The First Booke of the Historie of England. Containing, a briefe relation of the State of this land, from the first knowledge we haue thereof, to ,the comming of William the Norman.”, in The First Part of the Historie of England, London: […] Nicholas Okes, […], →OCLC, page 4: