This is the 15574th most frequent Turkish word.
tas
"Taş" means "stone" or "rock" in English.
Here, 'taş' refers to a physical stone or rock.
Elimde bir taş vardı.
I had a stone in my hand.
In this context, 'taş' is used to describe building materials, specifically as part of construction.
Bu bina çok eski taşlarla yapılmış.
This building is made with very old stones.
In this usage, 'taş' metaphorically refers to a challenge or difficulty encountered.