Aha...
So T'Pau must've been a Quaker!
Or perhaps Theodore Sturgeon got it from them...?
For religious reasons, the Quakers also retained the familiar forms, though generally in such a way that thee was used in all cases, along with the third person of the verb (thee has where grammar would dictate thou hast), and they brought it to America, where it was current in entire neighborhoods of Philadelphia till the 1890s and in some farms in the hinterland for perhaps another generation after that.
So T'Pau must've been a Quaker!
