from scratch

adverb

No English definition recorded for this entry.

Wiktionary

prep_phrase

Etymology: From the scratch drawn in the ground serving as the starting line of a foot race. A runner “starting from scratch” received no handicap, but started at the beginning of the course.

From the beginning; starting with no advantage or prior preparation.
“There were so many errors in the program that the programmer decided to rewrite it from scratch.”
“When the writer finished writing his book, it was stolen and now he has to rewrite it from scratch.”
From basic materials or raw ingredients.
“She said she wanted to build a new house from scratch.”
“He was out of pancake mix so he had to make the batter from scratch.”