Morpheme
Vex
Type
free base
Denotation
shake, jolt, harass, annoy, trouble
Etymology
Latin vexāre; of unknown origin but possibly from -vexus, from vehere
Evidence
unvexatious, unvexed, vex, vexation, vexatious, vexatiously, vexatiousness, vexed, vexer, vexes, vexing, vexingly, vext
Doublet
Quake