-(p)shən noun
( -s )
Etymology: Medieval Latin transumption-, transumptio transcription, from Latin, transferal of terms, from transumptus (past participle of transumere to take from one to another, from trans- + sumere to take, from sub- up + emere to take) + -ion-, -io -ion — more at sub- , redeem
: an act, process, or instance of making a copy
only experts could read the original, a transumption in the ordinary hand — H.W.Smith