Ishma
The name Ishma means “named; marveling; desolation”.
Smith's Bible Dictionary 1863
(desolation), a name in the genealogy of Judah. (1 Chronicles 4:3)
International Standard Bible Encyclopedia 1915
ish'-ma (yishma', from the root yasham, "to lie waste," therefore meaning "desolate"): A brother of Jezreel and Idbash, "the sons of the father of Etam" (1Ch 4:3). They were brothers of Hazzelelponi.