Where does “eloquentissimo” come from?

eloquentissimo (Italian) comes from Italian eloquente, from Latin ēloquēns, from Latin ēloquor, from Latin loquor, from Proto-Italic tlokʷōr, from Proto-Indo-European telkʷ- — to talk.

Ancestry of “eloquentissimo”, step by step

Step	Language	Word	Meaning
1	Italian	eloquente	eloquent
2	Latin	ēloquēns	eloquent, articulate
3	Latin	ēloquor	to speak or utter plainly; to speak out; pronounce, declare, state, express; divulge
4	Latin	loquor	I say, speak, tell, talk; I declare, utter
5	Proto-Italic	tlokʷōr	to speak
6	Proto-Indo-European	telkʷ-	to talk

Every word from Proto-Indo-European telkʷ- →Every word from Proto-Italic tlokʷōr →Every word from Latin loquor →