Wiktionary
pertaineth
vb. (en-archaic third-person singular of: pertain)
Usage examples of "pertaineth".
And, as far as pertaineth unto me, they wrought this in me when they were written, and this they work when they are read.
And therefore men shall now say that thou art a manslayer, both of thy brother, Sir Lionel, and of thy cousin, Sir Launcelot du Lake, the which thou mightest have saved and rescued easily, but thou weenedst to rescue a maid which pertaineth nothing to thee.