We found one dictionary that defines the word learn from the bottom up:

Miscellaneous (1 matching dictionary)

1. learn from the bottom up: Idioms

▸ Words similar to learn from the bottom up ▸ Usage examples for learn from the bottom up ▸ Idioms related to learn from the bottom up ▸ Wikipedia articles (New!) ▸ Words that often appear near learn from the bottom up ▸ Rhymes of learn from the bottom up ▸ Invented words related to learn from the bottom up