English
hydrosecurity
From hydro- + security.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *kʷeys- ‘to heed’
…
Latin sēcūrus ‘safe’
Latin sēcūritās ‘security’
Middle French securité
Middle English securite ‘the state of being protected’
English security
Today it means
noun Security and control of water resources, especially in geopolitical contexts.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrosecurity