וַיַּ֣ךְ דָּוִ֔ד אֶת־הֲדַדְעֶ֥זֶר בֶּן־רְחֹ֖ב מֶ֣לֶךְ צוֹבָ֑ה בְּלֶכְתּ֕וֹ לְהָשִׁ֥יב יָד֖וֹ בִּֽנְהַר־[פְּרָֽת׃]
Tinalo rin ni David si Hadadezer na anak ni Rehob, ang hari ng Soba, nang humayo ito upang palawakin ang kanyang nasasakupan sa may Ilog Eufrates.
Rashi
To enlarge his border. As [Yonasan] translates, "To widen his border," [Haddadezer] conquored land outside his countries border and widened his border.