Where does “elocution” come from?

Elocution derives from Latin elocutio, meaning the act of speaking out or expression.

elocution (English): The art of public speaking with expert control of...

Definitions

Step	Language	Word	Meaning
1	Latin	elocutio	utterance, expression; oratorical delivery,...
2	Latin	ēloquor	to speak or utter plainly; to speak out; pronounce, declare, state, express; divulge
3	Latin	loquor	I say, speak, tell, talk; I declare, utter
4	Proto-Italic	tlokʷōr	to speak
5	Proto-Indo-European	telkʷ-	to talk