H6884–צָרַף–tsa.raph

Many shall purify themselves, and make themselves white, and be refined; but the wicked shall do wickedly; and none of the wicked shall understand; but they that are wise shall understand.

וְיִצָּֽרְפוּ֙ (יִצָּֽרְפוּ֙) yi.tza.re.Fu “they may be refined”

And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as gold is tried; they shall call on My name, and I will answer them; I will say: 'It is My people', and they shall say: 'The LORD is my God.'

וּצְרַפְתִּים֙ (צְרַפְתִּי) tze.raf.Ti “I will refine”כִּצְרֹ֣ף (צְרֹ֣ף) tz.Rof “refines”

But who may abide the day of his coming? And who shall stand when he appeareth? For he is like a refiner's fire, and like fullers' soap;

מְצָרֵ֔ף me.tza.Ref “a refiner”

And he shall sit as a refiner and purifier of silver; and he shall purify the sons of Levi, and purge them as gold and silver; and there shall be they that shall offer unto the LORD offerings in righteousness.

מְצָרֵ֤ף me.tza.Ref “[one who] refines”