lutto bedeutet auf Englisch

mourn [mourned, mourning, mourns]▼(express sadness for, grieve over)
verb
[UK: mɔːn] [US: ˈmɔːrn]Don't mourn. = Non sia in lutto.

mourning [mournings]▼(expressing sorrow over death)
noun
[UK: ˈmɔːn.ɪŋ] [US: ˈmɔːrn.ɪŋ]I'm still in mourning. = Sono ancora in lutto.

bereavement [bereavements]▼(The state of being bereaved; deprivation; especially the loss of a relative by death)
noun
[UK: bɪ.ˈriːv.mənt] [US: bə.ˈriːv.mənt]

loss [losses]▼(grief caused by losing someone or something)
noun
[UK: lɒs] [US: ˈlɒs]