The same doubts that apply to the doctrine of the -lv- in eleven representing the root -laib, apply to the -lv- in twelve.
"The English Language"
Robert Gordon Latham
5.-Page 226, stanza lv.
"The Poetical Works of Sir Edward Bulwer Lytton, Bart. M.P."
Edward Bulwer Lytton
It was natural to adopt some such method as that in Psalm lv.
"The Prayer Book Explained"
Percival Jackson