Eru (the One), also called Ilvatar (the Father of All), is the name in the legendarium of J.R.R. Tolkien for the supreme God. He is considered the father of the Ainur, thus in lineage charts Ainur are shown as children of Ilvatar. However, not all of the Ainur were considered to be siblings. For instance, Manw, Varda, and Melkor's father is Ilvatar, and Melkor and Manw were considered brothers; Varda was not considered their sister. He is the single omnipotent creator, but has delegated most direct action within E to the Ainur, including the shaping of the Earth (Arda) itself. Eru is an important part of the stories of The Silmarillion but is not mentioned by name in Tolkien's most famous works, The Hobbit and The Lord of the Rings (He is alluded to as "the One" in the part of LotR's Appendix A that speaks of the downfall of Nmenor).

Eru as Creator God

Elves and Men were created by Eru directly, without delegation to the Ainur, and they are therefore called "Children of Ilvatar" (Eruhini). The Dwarves were "adopted" by Eru in the sense that they were created by Aul but given sapience by Eru. Animals and plants were probably fashioned by Ainur after themes set out by Eru in the Music of the Ainur, although this is questionable in cases where animals exhibit sapience, as in the case of Huan, or the Eagles in the Lord of the Rings and The Hobbit.

Tolkien on Eru

Tolkien understood Eru not as a "fictional deity" but as a name in a fictional language for the actual monotheistic God, although in a mythological or fictional context. In a draft of a letter of 1954 to Peter Hastings, manager of the Newman Bookshop (a Catholic bookshop in Oxford), Tolkien defended non-orthodox aspects as rightly within the scope of his mythology, as an exploration of the infinite "potential variety" of God (Letters, No. 153). Regarding the possibility of reincarnation of Elves, Hastings had written:

God has not used that device in any of the creations of which we have knowledge, and it seems to me to be stepping beyond the position of a sub-creator to produce it as an actual working thing, because a sub-creator, when dealing with the relations between creator and created, should use those channels which he knows the creator to have used already

Tolkien's reply contains an explanation of his view of the relation of (divine) Creation to (human) sub-creation:

We differ entirely about the nature of the relation of sub-creation to Creation. I should have said that liberation "from the channels the creator is known to have used already" is the fundamental function of "sub-creation", a tribute to the infinity of His potential variety [...] I am not a metaphysician; but I should have thought it a curious metaphysic — there is not one but many, indeed potentially innumerable ones — that declared the channels known (in such a finite corner as we have any inkling of) to have been used, are the only possible ones, or efficacious, or possibly acceptable to and by Him!

Hastings had also criticised the description of Tom Bombadil by Goldberry: "He is", saying that this seemed to imply that Bombadil was God.

Tolkien replied to this:

As for Tom Bombadil, I really do think you are being too serious, besides missing the point. [...] You rather remind me of a Protestant relation who to me objected to the (modern) Catholic habit of calling priests Father, because the name father belonged only to the First Person.

Inspiration and development

The title the Father of All is thought by some to be borrowed from the god Odin in Norse mythology, though the New Testament also refers to God as the one God and Father of all. Tolkien, as a Catholic and a scholar of northern European mythology, was probably influenced by both sources. As Tolkien was highly educated in Finnish mythology, it would be no surprise if the name of Ilvatar were derived from Ilmatar, Maid of Air, one of the primal spirits of creation.

It is to be noted that in earlier works of the legendarium the name Ilvatar meant "Sky-father", but this etymology was dropped in favour of the newer meaning in later revisions. Ilvatar was also the only name of God used in earlier versions — the name Eru first appeared in "The Annals of Aman", published in Morgoth's Ring, the 10th volume of The History of aus Mittelerde fr:Ilvatar it:Eru Ilvatar ja:エル・イルーヴァタール pl:Eru Ilvatar ru:Эру Илуватар sv:Ilvatar zh:伊露維塔


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