Third-person singular simple present indicative form of long.(verb)
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Use "longeth" in a sentence
"As the deer panteth for water, so my soul longeth for Thee, O God ..."
"I am aweary of awaiting thine arrival; for indeed long hath been thine absence from the lover which longeth for thee."
"Queen, who bade her march upon the city of the Supreme King, her father, there to alight at the abode of her youngest sister, Manár al-Saná148 and say to her, “Clothe thy two sons in the coats of mail which their aunt hath made them and send them to her; for she longeth for them.”"