Etymology of the English word hypersomnia
the English word
hypersomniausing the English prefix
hyper-derived from the Greek word
huper, ὑπέρ
derived from the Proto-Indo-European root
*uperderived from the English word
insomniaderived from the Latin word
insomniaderived from the Latin word
insomnis (sleepless)
using the Latin prefix
in- (suffix for no)
derived from the Proto-Indo-European root
*ne (not)
derived from the Latin word
somnus (sleep)
derived from the Proto-Indo-European root
*swep-derived from the Latin word
in-Usage
Word found in Modern English