It is the hypothetical source of/evidence for its existence is provided by: Sanskrit lunati "cuts, cuts off," lavitram "sickle;" Greek lyein "to loosen, untie, slacken," lysus "a loosening;" Latin luere "to loose, release, atone for, expiate;" Old Norse lauss "loose, free, unencumbered; vacant; dissolute;" Old English losian "be lost, perish."
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit nar-, Armenian ayr, Welsh ner "a man;" Greek aner (genitive andros) "a man, a male" (as opposed to a woman, a youth, or a god).
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<a href="https://www.etymonline.com/word/Lysander">Etymology of Lysander by etymonline</a>
Harper, D. (n.d.). Etymology of Lysander. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/Lysander