The Kings released Etem from his professional tryout offer Tuesday, Jon Rosen of Fox Sports West reports.
Etem scored one goal in the Kings' 7-4 preseason loss to Anaheim on Wednesday.
Etem will attend the Kings' training on a professional tryout contract, TSN reports.
Etem agreed to terms on a one-year contract with HC Lugano of the Swiss League on Sunday.
Etem was placed on unconditional waivers Sunday for the purpose of terminating his contract, Elliotte Friedman of Hockey Night in Canada reports.
The Coyotes reassigned Etem to AHL Tuscon on Friday.
Etem was recalled to Arizona on Monday.
The Coyotes assigned Etem to AHL Tuscon on Friday.
Etem went unclaimed on the waiver wire but will remain with the Coyotes for the near future, Craig Morgan of NHL.com reports.
Etem was waived by Arizona on Wednesday, Renaud Lavoie of TVA Sports reports.