"stemming" in the verb sense
1. stem
grow out of, have roots in, originate in
"The increase in the national debt stems from the last war"
2. stem
cause to point inward
"stem your skis"
3. stem, stanch, staunch, halt
stop the flow of a liquid
"staunch the blood flow"
"stem the tide"
4. stem
remove the stem from
"for automatic natural language processing, the words must be stemmed"
Source: WordNet® (An amazing lexical database of English)
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