Meaning

noun the quality of being ceaselessly moving or active

noun a lack of patience; irritation with anything that causes delay

noun a feeling of agitation expressed in continual motion

originEtymology tree Proto-Germanic *rastō Proto-West Germanic *rastu Old English ræst Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Old English ræstlēas Middle English restles English restless Proto-Germanic *-in- Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂…

Etymology from Wiktionary, CC BY-SA 3.0