1. Elegy: This is the closest English word, referring to a poem or song that expresses sorrow or lamentation, especially for someone who has died.
2. Mourning Song: This phrase captures the essence of "elesi" as a musical expression of grief.
3. Dirge: Similar to elegy, a dirge is a slow, mournful song or piece of music, often played at a funeral.
4. Lamentation: This term emphasizes the act of expressing sorrow or grief, often publicly.
Ultimately, the best English translation for "elesi" will depend on the specific context in which the word is used.