This appears to be a misspelling of 'distribute'; it is not standard English.
Likely a typo or historical variant spelling of distribute (Latin distribuere: dis- 'apart' + tribuere 'to allot'). Not found in legitimate dictionaries.
Misspellings sometimes make it into historical documents by accident, and 'distritbute' could have appeared in old handwritten manuscripts where the letters got jumbled—it's a reminder that standardized spelling is actually pretty recent!
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