bottom-up

Translations
снизу вверх
от нижнего уровня к верхнему
от частного к общему
исходящий снизу
низовой
Definitions
Proceeding from the lowest level or part toward higher levels or the whole.
Developed by combining smaller components or details into a larger whole.
Initiated or driven by people at lower levels of an organization or community rather than by its leaders.
Moving from specific observations or instances to general conclusions.
Words
bottom

noun
низ
up

adverb
вверх