Dehydration
/ˌdiːhaɪˈdreɪʃən/noun
The condition or process of losing an excessive amount of water from the body or another substance.
Did you know?The word’s central element comes from Ancient Greek hydōr, “water,” the same root behind scientific terms such as hydrotherapy and hydrology.
Etymological Timeline
Proto-Indo-European
PIE
*wed-
“Water; wetness, or becoming wet”
Ancient Greek
Greek
hydōr (ὕδωρ)
“Water”
Late Latin
Latin
hydratus
“Supplied or combined with water”
17th Century
French/English
hydrate
“A substance combined with water; later, to combine with water”
19th Century
French
déshydrater
“To remove water from”
19th Century
English
dehydration
“The process or condition of losing water”