Third-person singular simple present indicative form of entertain.(verb)
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Use "entertaineth" in a sentence
"Fakirs and other religious mendicants and entertaineth them; doubtless they are not assembled together and it may be that the prayer of one of them will work us weal both in this world and in the next."
"Here am I now with a worthy Gentleman, that entertaineth me with very honourable respect, and here I live in this Chamber, not so much as hearing of any feasts or fasting dayes; for, neither"
"The King or Sultan of the city is a Mahomedan, and entertaineth in wages a great multitude of footmen and horsemen."