Out'growth` noun That which grows out of, or proceeds from, anything; an excrescence; an offshoot; hence, a result or consequence. Found on http://www.encyclo.co.uk/webster/O/43
a natural development, product, or result: to consider truancy an outgrowth of parental neglect. · an additional, supplementary result. · a growing out or forth. · something that grows out; offshoot; excrescence. Found on https://www.infoplease.com/dictionary/outgrowth