tsar describes the hard, flint-like quality used for horses’ hoofs in Isaiah 5:28.

The attested use describes a hard, flint-like quality in the comparison of horses’ hoofs in Isaiah 5:28.

1. Hard, flint-like quality · dominant

   In Isaiah 5:28, the masculine singular absolute form occurs in the clause comparing horses’ hoofs with flint; the APB renders the comparison, “their horses' hoofs are like flint.”

   Isaiah 5:28

In the Anselm Project Bible: In Isaiah 5:28, the APB presents the clause as “their horses' hoofs are like flint.” Its exact English rendering of the term cannot be isolated beyond this comparison.