saith

Etymology 1

From Old English sæġþ, from seċġan.

verb

1. (archaic) third-person singular simple present indicative of say
   In this life we have but a glimpse of this beauty and happiness; we shall hereafter, as John saith, see him as he is. , B. Blake (1836), p.663
   While every leaf that His plumes touch / Saith His Name audibly. 1850, Dante Gabriel Rossetti, The Blessed Damozel, ll. 89-90
   […] ("since all is o'er," he saith, / "And the blow fallen no grieving can amend;") 1855, Robert Browning, Childe Roland to the Dark Tower Came, section V
   Penn: I don't want to invest in the conversation, not that I don't have it privately, about my feelings about what direct action should happen to a leader who does that, but if there is a God, there will be vengeance beyond all possible comprehension. Hannity: "Vengeance is mine saith the Lord", quoted in a very famous book. April 5, 2022, Sean Hannity, Sean Penn, 22:33 from the start, in Sean Penn joins Sean Hannity to discuss Russian invasion of Ukraine (Hannity), Fox News, archived from the original on 2022-04-11

Etymology 2

noun

1. Alternative form of saithe (“type of fish”)