coalesced form of to it.

1

1596.  Shaks., Tam. Shr., I. ii. 195. Too’t a Gods name.

2

1605.  Chapman, All Fooles, Plays, 1873, I. 170. I will not set my hand toot.

3

1607.  Shaks., Timon, III. vi. 37. We shall too’t presently.

4

1828.  in Craven Gloss.

5