== 名前 ==
T. F. O'Rahillyは、Aoibheall、Éibhleann、Aoifeなどの名前と同様に、Esusという名称をインド・ヨーロッパ語族の原語である*eis-に由来し、これを「幸福、エネルギー、情熱」と訳している。に由来し、これを「幸福、エネルギー、情熱」と訳している<ref>T. F. O'Rahilly, 1946, Ir. ''Aobh, Aoibheall,'' etc. W. ''ufel, uwel''. Gaul. ''Esus'', Ériu, Royal Irish Academy, volume14 , pages1–6, jstor:30007645</ref>。 エスナートゥス(Esunertus、「エススの力」)という人称は、マーキュリーに捧げられた奉納碑文を含むガロ・ローマ時代の多くの碑文に登場する<ref name="MacCulloch">J. A. MacCulloch (1911). ‘Chapter III. The Gods of Gaul and the Continental Celts.’ [http://www.sacred-texts.com/neu/celt/rac/rac06.htm ''The Religion of the Ancient Celts''.] New York: Dover Publications., ISBN:0-486-42765-X.</ref><ref>CIL, 13, 11644</ref>。またエスゲヌス(Esugenus、「エススから生まれた」)などの神話的な名前も確認されている<ref name="petrone">Jean Gricourt, 1958, L’Esus de Pétrone, Latomus, Société d’Études Latines de Bruxelles, volume17, pages102–109 , jstor:41518785</ref>。
== Name ==
T. F. O'Rahilly derives the theonym ''Esus'', as well as [[Aibell|''Aoibheall'']], [[Evelyn (name)|''Éibhleann'']], ''[[Aoife]]'', and other names, from the [[Proto-Indo-European]] root *''eis-'', which he glosses as 'well-being, energy, passion'.<ref>{{cite journal |author=T. F. O'Rahilly |date=1946 |title=Ir. ''Aobh, Aoibheall,'' etc. W. ''ufel, uwel''. Gaul. ''Esus'' |journal=Ériu |publisher=Royal Irish Academy |volume=14 |pages=1–6 |jstor=30007645}}</ref>
The personal name ''Esunertus'' ('strength of Esus') occurs in a number of Gallo-Roman inscriptions, including one votive inscription dedicated to Mercury,<ref name="MacCulloch">J. A. MacCulloch (1911). ‘Chapter III. The Gods of Gaul and the Continental Celts.’ [http://www.sacred-texts.com/neu/celt/rac/rac06.htm ''The Religion of the Ancient Celts''.] New York: Dover Publications. {{ISBN|0-486-42765-X}}.</ref><ref>{{CIL|13|11644}}</ref> while other theophoric given names such as ''Esugenus'' ('born from Esus') are also attested.<ref name="petrone">{{cite journal |author=Jean Gricourt |date=1958 |title=L’Esus de Pétrone |journal=Latomus |publisher=Société d’Études Latines de Bruxelles |volume=17 |pages=102–109 |jstor=41518785 |number=1}}</ref> It is possible that the ''[[Esuvii]]'' of [[Gaul]], in the area of present-day [[Normandy]], took their name from this deity.<ref name="devries98">Jan de Vries (1954). ''Keltische Religion.'' [[W. Kohlhammer]], Stuttgart. p.98. [https://web.archive.org/web/20030413164435/http://www.geocities.com/chronarchy/mjournal/patrons/aboutesus.html Cited here.]</ref>
==Imagery==