hypnagogic
‘inducing sleep, relating to the state of drowsiness preceding sleep’
Lexical development traced from the Tamil root:
E. hypnogogic < F. hypnagogique < Gk. hypnos ‘sleep’ + agōgos ‘leading’ < ugh < ag- < Tamil ukai
hypnagogic
English words derived from Tamil ukai connoting ‘going forward’