From sharaq; bright red (as piercing to the sight), i.e. Bay -- speckled. See saruwq.
see HEBREW sharaq
see HEBREW saruwq
H8320. saroq
I. [שָׂרֹק] adjective perhaps sorrel (? from II. ׳שׂ, or compare having ruddy tinge over white, of horses sorrel Lane1581); — plural וּלְבָנִים שְׂרֻקִּים אֲדֻמִּים Zechariah 1:8. of horses.