Where does “jittery” come from?

Jittery derives from English jitter, itself from English jitterbug, which combines English jit with English bug, the latter originally meaning insect or source of annoyance.

jittery (English): nervy, jumpy, on edge; Having jitter, or unwanted...

Definitions

  1. nervy, jumpy, on edge; Having jitter, or unwanted...

Ancestry of “jittery”, step by step

StepLanguageWordMeaning
1EnglishjitterA nervous action; a tic; A state of nervousness;...
2EnglishjitTo compile immediately when needed, as part of...
3EnglishjitneyA small bus or minibus which typically operates...
4Louisiana Creole Frenchjetnée
5FrenchjetonA game chip or token, a counter; A Scrabble tile
6Frenchjeterto throw; to throw away, discard of; to throw...
7Old Frenchjeterto throw
8Latiniectāre
9Latiniactāre
10Latiniaciōto throw, hurl, cast, fling; throw away
11Proto-Indo-European(H)yeh₁-to throw

Words derived from “jittery

Every word from Proto-Indo-European (H)yeh₁-
jittery — Etymology, Origin & Word History | Etymology Explorer