Eru divine name "the One" = God (VT43:32, VT44:16-17), "the One God" (Letters:387), a name reserved for the most solemn occasions (WJ:402). Often in the combination Eru Ilúvatar, "Eru Allfather" (cf. MR:112). Genitive Eruo (MR:329, VT43:28/32), dative Erun (VT44:32, 34). The adjectival form Eruva "divine" (Eruva lissëo "of divine grace", VT44:18) would be identical to the form appearing in the possessive case. Compound nouns: Eruhantalë "Thanksgiving to Eru", a Númenórean festival (UT:166, 436), Eruhin pl. Eruhíni "Children of Eru", Elves and Men (WJ:403; SA:híni, cf. _Eruhîn _in Letters:345), Eruion *"son of God" (or "God the Son"?) (VT44:16), Erukyermë "Prayer to Eru", a Númenórean festival (UT:166, 436), Erulaitalë "Praise of Eru", a Númenórean festival (UT:166, 436), Eruamillë "Mother of God" (in Tolkien's translation of the Hail Mary, VT43:32, see also VT44:7), Eruontari, Eruontarië other translations of "Mother (Begetter) of God" (VT44:7, 18), Erusén "the children of God" (RGEO:74; this is a strange form with no plural ending; contrast the synonym Eruhíni.) #Eruanna and #erulissë, various terms for "grace", literally "God-gift" and "God-sweetness", respectively (VT43:29; these words are attested in the genitive and instrumental case, respectively: Eruanno, erulissenen).
Quenya
eruhin
proper name. Child of Eru (God)
Cognates
Elements
Word Gloss Eru “The One, God” hína “child”
Eru
the one
A name for Elves and Men as children of Eru (God), frequently appearing in its plural form Eruhíni (Let/189, MR/320, WJ/403). It is a compound of Eru “God” and a suffixal form -hin of hína “child” (SA/híni).
Conceptual Development: This name first appeared in the tales of the Fall of Númenor from the 1940s as the Adûnaic word #Êruhin, attested only in its plural forms Êruhîn(im) (SD/247-8, 311). See that entry for further discussion of its early history.