Meaning

adjective characterized by jerky movements

adjective being in a tense state

originEtymology tree English jit Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English jitter Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English jittery From jitter + -y.

Etymology from Wiktionary, CC BY-SA 3.0