listen to the pronunciation of yaştaş
Türkisch - Englisch
Existing or created in the same period of time

Look in other contemporaneous works to see whether that idea was common then.

{a} existing at the same time
living, occurring, or existing at the same time
{s} occurring at same time
occurring in the same period of time; "a rise in interest rates is often contemporaneous with an increase in inflation"; "the composer Salieri was contemporary with Mozart"
Living, existing, or occurring at the same time; contemporary
of the same period
If two events or situations are contemporaneous, they happen or exist during the same period of time. the contemporaneous development of a separate and quite recognisable Scottish school of art. happening or done in the same period of time = contemporary contemporaneous with (contemporaneus, from com- ( COM-) + tempus )
Türkisch - Türkisch
Aynı yaşta olan kişilerden her biri, yaşıt