Meaning

adjective readily apparent to the mind

adjective free from confusion or doubt

adjective affording free passage or view

originEtymology tree English clear Proto-Indo-European *-yōs Proto-Indo-European *-tHós Proto-Indo-European *-istHos Proto-Germanic *-istaz Proto-West Germanic *-ist Old English -est Middle English -est English -est English clearest From clear + -est.

Etymology from Wiktionary, CC BY-SA 3.0