Answer:

eponym

Answer	Crossword Clue
EPONYM	Name derivation
EPONYM	Name identified with a place
EPONYM	Romulus to Rome, e.g.

EPONYM	Name-giver
EPONYM	Washington or Lincoln, many times over
EPONYM	Penn, vis- -vis Pennsylvania
EPONYM	Romulus, vis- -vis Rome
EPONYM	Amerigo Vespucci, vis- -vis America
EPONYM	Karl Benz or Henry Ford
EPONYM	Euclid, vis- -vis geometry
EPONYM	Rudolf Diesel, re the diesel

EPONYM	Named derived from a person
EPONYM	Romulus, vis- -vis Rome, e.g.
EPONYM	Person from whom something takes its name
EPONYM	Sam Houston, to Houston
EPONYM	Person from whom something is named
EPONYM	Shirley Temple, to Shirley Temples, for one
EPONYM	Watt or Ohm, e.g.
EPONYM	Arnold Palmer or Shirley Temple, drinkwise

EPONYM	Sousaphone, for one
EPONYM	General Anthony Wayne, to Waynesboro
EPONYM	Rudolf Diesel, for one
EPONYM	Word derived from a name
EPONYM	General Shrapnel or Burnside
EPONYM	Jim Beam or Jack Daniel
EPONYM	Presumed ancestor of a race, nation, etc.
EPONYM	What William Penn is to Pennsylvania.

EPONYM	What Penn is to Pennsylvania.
EPONYM	Hellen, to Hellenes.
EPONYM	Name giver
EPONYM	Person for whom a nation or city is named
EPONYM	Name giver of a sort
EPONYM	Columbus, to Colombia, e.g.
EPONYM	Penn, to Pennsylvania
EPONYM	Name source

EPONYM	Gabriel Fahrenheit or Anders Celsius
EPONYM	Rob Roy or Shirley Temple
EPONYM	The Earl of Sandwich, for one
EPONYM	Louis Braille or Louis Chevrolet
EPONYM	Earl of Sandwich, e.g.