c. 1200, trone, "the seat of God or a saint in heaven;" c. 1300 as "seat occupied by a sovereign," from Old French trone (12c., Modern French trône), from Latin thronus, from Greek thronos "elevated seat, chair, throne," from suffixed form of PIE root *dher- "to hold firmly, support" (source also of Latin firmus "firm, steadfast, strong, stable," Sanskrit dharma "statute, law"). From late 14c. as a symbol of royal power. Colloquial meaning "toilet" is recorded from 1922. The classical -h- begins to appear in English from late 14c.
"to place on a throne, exalt to the seat of royalty," c. 1600, from en- (1) + throne (n.). Replacing enthronize (late 14c.), from Old French introniser (13c.), from Late Latin inthronizare, from Greek enthronizein. Also simply throne (v.), late 14c., from the noun in English. Related: Enthroned; enthroning.
Proto-Indo-European root meaning "to hold firmly, support."
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit dharmah "custom, statute, law," dharayati "holds;" Prakrit dharaṇa "a holding firm;" Iranian dāra‑ "holding;" Greek thronos "seat;" Latin firmus "strong, steadfast, enduring, stable;" Lithuanian diržnas "strong;" Welsh dir "hard," Breton dir "steel."
Old English stol "seat for one person," from Proto-Germanic *stōla- (source also of Old Frisian stol, Old Norse stoll, Old High German stuol, German Stuhl "seat," Gothic stols "high seat, throne"), from PIE *sta-lo-, locative of root *sta- "to stand, make or be firm."(source also of Lithuanian pa-stolas "stand," Old Church Slavonic stolu "stool").
Originally used of thrones (as in cynestol "royal seat, throne"); decline in sense began with adoption of chair (n.) from French, which relegated stool to small seats without arms or backs, then to "privy" (early 15c.) and thence to "bowel movement" (1530s).
ancient capital of Persia, founded 6c. B.C.E. by Darius the Great; from Greek, literally "city of the Persians," from Perses "Persians" (see Persian) + -polis "city" (see polis). The modern Iranian name for the place is Takht-e-jamshid, literally "throne of Jamshid," a legendary king whose name was substituted when Darius was forgotten. Related: Persepolitan.