English

Quotron

Originally a proprietary name.

Formed from quote + -tron

Proto-Indo-European *kʷís ‘who, what’

…

Latin quotus ‘which’

Medieval Latin quotō ‘to distinguish by numbers’

Old French coter

Middle English quoten

English quote

Today it means

noun A computer system or service that provides stock market quotations

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