noun Etymology: Latin aqua + English -naut (as in aeronaut) Date: 1881 a scuba diver who lives and operates both inside and outside an underwater shelter for an extended period
AQUANAUT
Meaning of AQUANAUT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012