Archaic third-person singular simple present indicative form of kill.
1611, King James Version of the Bible (Authorized Version) Leviticus 24:18, And he that killeth a beast shall make it good; beast for beast.
Origin of killeth
kill + -eth, the archaic third-person singular present tense suffix
Killeth Sentence Examples
They style themselves " truly spiritual Christians," and in their rejection of the sacraments, their indifference to outward forms, and their insistence on the spiritual interpretation of the Bible (" the letter killeth "), they are closely akin to the Quakers, whom they resemble also in their inoffensive mode of life and the practice of mutual help.
Blackstone (1723-1780), to be sure, a hundred years later, says that, "if a woman is quick with child, and by poison or otherwise killeth it in her womb, or if any one beat her, whereby the child dieth in her body, and she is delivered of a dead child, this, though not murder, was, by the ancient law, homicide or manslaughter."