expression, adverb, noun which may take the genitive case particle 'no'
from scratch; from nothing; starting from zero
Used when starting something without any prior resources, knowledge, or foundation. Often implies building up from the very beginning.
彼はゼロから会社を立ち上げた。
He started his company from scratch.
この料理はゼロから作った。
I made this dish from scratch.