他殺 is read as たさつ (tasatsu) and means murder.
たさつ
tasatsu
たさつたい
murder victim
ひと
unrelated person (i.e. not related by blood)
たほう
on the other hand
たこく
another province
た
other (esp. people and abstract matters)
ためん
たしゃ
another company
ほか
beyond (one's expectations, imagination, etc.)
ほかに
else
another person
たい
other intention
たざんのいし
lesson learned from someone's else mistake