English
rocket docket
From rocket + docket.
Proto-Germanic *rukkô ‘a distaff, a staff with flax fibres tied…’
Proto-West Germanic *rokkō
Lombardic rocko ‘spinning wheel’
Italian rocca ‘a distaff’
Italian rocchetta ‘incendiary rocket’
English rocket
Today it means
noun A court or other tribunal that is noted for the speedy disposition of cases.
Language periods are conventional ranges, not dates for this word.
Etymograph / rocket docket