bottom-up progress
nounUK /ˌbɒtəm ʌp ˈprəʊɡres/
US /ˌbɑːtəm ʌp ˈprɑːɡres/
Progress that starts from small, basic parts and grows bigger.
The team made bottom-up progress by fixing small problems first.
OTHER MEANINGS
2. Improvement that begins with ordinary people or small units rather than leaders.
The village's bottom-up progress came from neighbors helping each other.
3. A way of building something by starting with the smallest pieces and working upward.
Her bottom-up progress in learning math began with simple counting.
4. Change that grows naturally from within a group instead of being ordered from above.
The club's bottom-up progress started with ideas from its youngest members.