A collective name for Manwe and Varda in early Valar name lists (LT1A/Súlimo). As suggested by Christopher Tolkien, its first element is likely related to wanwa “great gale”, but the meaning of its second element is unclear.
Early Quenya
manwe
masculine name. Manwe
súlimo
masculine name. Manwe
vilmar
place name. dwelling of Manwe in the high airs
wanwavoisi
collective name. Manwë and Varda
valwe
masculine name. Valwe
Father of Lindo in the earliest Lost Tales (LT1/16). The meaning of this name is unclear.
A dwelling of Manwe appearing only in the Qenya Lexicon from the 1910s (QL/101), a combination of the root ᴱ√VILI having to do with air and with mar “dwelling”.