/ mɔːn; NAmE mɔːrn/ verb
mourn (for sb/sth) to feel and show sadness because sb has died; to feel sad because sth no longer exists or is no longer the same
SYN grieve for :
[ vn ]
He was still mourning his brother's death.
They mourn the passing of a simpler way of life.
[ v ]
Today we mourn for all those who died in two world wars.
She mourned for her lost childhood.
••
WORD ORIGIN
Old English murnan , of Germanic origin.