From Tolkien Gateway

Wanwavoisi is a name for both Varda and Manwë together, according to the early version of the legendarium in The Book of Lost Tales.

It is a Qenya name, but its etymology is unclear, although it probably contains the element wanwa ("great gale").[1]


  1. J.R.R. Tolkien, Christopher Tolkien (ed.), The Book of Lost Tales Part One, Appendix: Names in the Lost Tales – Part I, entry "Súlimo"