/ (ˈjuːfəˌnaɪz) / to make pleasant to hear; render euphonious. to change (speech sounds) so as to facilitate pronunciation.

What do u mean by euthanized?

: the act or practice of killing or permitting the death of hopelessly sick or injured individuals (such as persons or domestic animals) in a relatively painless way for reasons of mercy.

What is humanely?

characterized by tenderness, compassion, and sympathy for people and animals, especially for the suffering or distressed: humane treatment of prisoners. acting in a manner that causes the least harm to people or animals: humane trapping of stray pets. of or relating to humanistic studies.