וְעַל־יָדוֹ֙ עֲמַסְיָ֣ה בֶן־זִכְרִ֔י הַמִּתְנַדֵּ֖ב לַיהוָ֑ה וְעִמּ֛וֹ מָאתַ֥יִם אֶ֖לֶף גִּבּ֥וֹר חָֽיִל׃ (ס)
Rashi on II Chronicles
And beside him Heb. וְעַל יָדוֹ beside him; an example is (II Sam. 14:30): “Joab’s field is adjoining mine (אֶל יָדִי).”
Rashi on II Chronicles
who gave generously to the Lord - Heb. הַמִּתְנַדֵּב. An example is (Jud. 5:2) “when the people offer themselves willingly (בְּהִתְנַדֵּב עַם), bless the Lord”