13th century, in the meaning defined above
Middle English endelong, alteration of andlong, from Old English andlang along, from andlang, preposition — more at along
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Cite this Entry
“Endlong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endlong. Accessed 29 Jan. 2022.
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