From the same as yathowm; orphanage; Jithmah, an Israelite -- Ithmah.
see HEBREW yathowm
H3495. Yithmah
יִתְמָה proper name, masculine one of David's valiant men, called הַמּוֺאָבִי 1 Chronicles 11:46, ᵐ5 (Ι)εθαμα; ᵐ5L Ιεθαμ.
יתן (√ of following; compare Arabic be perpetual, never-failing, especially of water, a permanent thing: Phoenician אתנם ירח CISI. i. 86 A; WPSBA 1886 (ix ), 47).