Other forms: redone, redoing, redid
To redo is to perform again something you just undid. Redo the last action, undo and redo, redo the kitchen.
In software it is the counterpart of undo, and together they form the history stack every editor keeps — doing something new after undoing usually discards the redo branch, which is the surprise that loses work. In ordinary use it means simply doing something over: redo the kitchen. Note that the stress falls on the second syllable.
1verbredoTo perform again something you just undid.
“If you undo a change by mistake, you can redo it by clicking the forward arrow.”
2verbverbTo do something over again.
“My essay was full of mistakes, so the teacher made me redo it.”
redo is a doing again.
From re- + do.
Etymology from Wiktionary, CC BY-SA