Ta-er al-Sahfer is a character in what universe?
Arrowverse: The Arrowverse is a shared fictional universe that is centered on television series airing on The CW, developed by Greg Berlanti, Marc Guggenheim, Andrew Kreisberg, Phil Klemmer, and Geoff Johns, based on characters appearing in publications by DC Comics. Arrowverse:  The Arrowverse stars Stephen Amell as Oliver Queen / Green Arrow, Grant Gustin as Barry Allen / Flash, Megalyn Echikunwoke as Mari Jiwe McCabe / Vixen, with an ensemble cast leading "Legends of Tomorrow", including Arthur Darvill as Rip Hunter, Caity Lotz as Sara Lance / White Canary, Brandon Routh as Ray Palmer / Atom, Dominic Purcell as Mick Rory / Heat Wave, with Victor Garber and Franz Drameh as Martin Stein & Jefferson "Jax" Jackson / Firestorm. Sara Lance: Sara Lance, also known as the White Canary, is a fictional character in the television series "Arrow", which is based on the DC Comics superhero Green Arrow. Sara Lance:  She initially fights in "Arrow" under the moniker of "The Canary," translated from her Arabic League of Assassins name "Ta-er al-Sahfer" (Yellow Bird), and later adopts the codename White Canary on the "Arrow" spin-off "Legends of Tomorrow".
Arrowverse