noun Etymology: Latin ~n-, ~, from Greek Ploutōn Date: 14th century the Greek god of the underworld, the planet with the farthest mean distance from the sun
PLUTO
Meaning of PLUTO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012