Origin: Germanic Old English prefix
Forthwith has 2 different meanings across 1 category:
without delay or hesitation; with no time intervening
"he answered immediately"
"found an answer straightaway"
"an official accused of dishonesty should be suspended forthwith"
"Come here now!"
Without delay; immediately.
"The judge ruled that all documents must be submitted forthwith, leaving no room for procrastination."