From the Old French name
Héloïse, which is probably from the Germanic name
Helewidis, composed of the elements
heil "hale, healthy" and
wid "wide". It is sometimes associated with the Greek word
‘ηλιος (helios) "sun" or the name
Louise, though there is not likely an etymological connection. This name was borne in the 12th century by Saint Eloise, the wife of the French theologian Peter Abelard. She became a nun after her husband was castrated by her uncle.
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