English
parliamentary
From parliament + -ary.
A compound of parliament + -ary
Ancient Greek παραβάλλω ‘to throw beside; to set side by side’
…
Latin parabolō ‘to speak, talk’
Old French parler ‘to speak’
Old French parlement ‘discussion; assembly’
Middle English parlement ‘a discussion or conversation’
English parliament
Today it means
adj Of, relating to, or enacted by a parliament.
Language periods are conventional ranges, not dates for this word.
Etymograph / parliamentary