Lethal is something that is capable of causing the death of another living being.
Lethe is the Underworld river of forgetfulness/oblivion.
In Greek Mythology, Lethe is the Underworld river of oblivion/forgetfulness.
The river Lethe was associated with Lethe a goddess of forgetfulness. Making her a daughter of Eris or Oceanus.
It is called Lethe.
Lethe is the river in the Underworld of Greek mythology which the dead person's shade drinks from to become oblivious, forgetting their past life. So if it's deadly, you'll be drinking from Lethe soon.
The Lethe, from which we get the word "lethargic". Anyone who was blessed with eternity in the Elysian Fields would drink from the Lethe to forget their earthly woes.
River Lethe.
The word Lethal comes from the Latin "letalis" which means deadly or fatal. That word shares an etymology with the Greek word "lethe" which means to oblivion. It was the name of one of the rivers of Hades, the Lethe. People who were granted passage to the Elysian Fields would first drink from the Lethe to forget their worldly lives and the pain associated with them.
Lethe is the Greek Goddess of oblivion/forgetfulness, associated with the Underworld river of the same name.
Hades
they are both goddesses and are in the underworld
Lethe is the Underworld river of oblivion/forgetfulness. Styx is the Underworld river of hate, upon which the gods and goddess swear oaths upon.
Lethe = one of the rivers in the Underworld; river of forgetfulnessMnemosyne = The Titan goddess of memory and the mother of the nine Muses.