Where does “trono” come from?

trono (Italian) comes from Latin tonus, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos, from Proto-Indo-European ten- — to stretch, to extend.

trono (Italian): throne; Obsolete form of tuono

Definitions

throne; Obsolete form of tuono

Ancestry of “trono”, step by step

trono traces back through two separate lines of ancestry.

via Latin tonus

Step	Language	Word	Meaning
1	Latin	tonus	The stretching or straining of a rope; A strain;...
2	Ancient Greek	τόνος	rope, cord; chord; tone, note
3	Proto-Hellenic	tónos	rope, cord; tension
4	Proto-Indo-European	tónos	something stretched; chord, fiber, string
5	Proto-Indo-European	ten-	to stretch, to extend

via Latin thronus

Step	Language	Word	Meaning
1	Latin	thronus	a throne; an angelic order
2	Greek	θρόνος	throne; monarchy, the royal office
3	Ancient Greek	θρόνος	seat; throne
4	Proto-Indo-European	dʰer-	to support; to hold

Words derived from “trono”

Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tónos →Every word from Proto-Hellenic tónos →