English

rumortrage

Blend of rumor + arbitrage?

Proto-Indo-European *h₃rewH- ‘to shout, to roar’

Proto-Italic *roumōs

Latin rūmor ‘common talk’

Old French rumeur

Middle English rumour

English rumor

Latin arbiter ‘arbitrator, arbiter’

Latin arbitror ‘to judge, arbitrate’

French arbitrer ‘to arbitrate’

French arbitrage ‘arbitration’

Today it means

noun An increase in trading activity prompted by rumors of a takeover.

Language periods are conventional ranges, not dates for this word.

Etymograph / rumortrage