Note 230 — GAMMER GURTON'S NEEDLE.
Reading edition
i.e., Gladly know. So in Shakpeare's "Antony and Cleopatra," act i., sc. 1—
"In which I bind, On pain of punishment, the world to weete, We stand up peerless."
The [form] weet is also used by Spenser and Fairfax.