H6884–צָרַף–tsa.raph

Till a number are tested and make themselves clean; and the evil-doers will do evil; for not one of the evil-doers will have knowledge; but all will be made clear to those who are wise.

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

And I will make the third part go through the fire, cleaning them as silver is made clean, and testing them as gold is tested: and they will make their prayer to me and I will give them an answer: I will say, It is my people; and they will say, The Lord

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

But by whom may the day of his coming be faced? and who may keep his place when he is seen? for he is like the metal-tester's fire and the cleaner's soap.

מְצָרֵ֔ף me.tza.Ref “a refiner”

He will take his seat, testing and cleaning the sons of Levi, burning away the evil from them as from gold and silver; so that they may make offerings to the Lord in righteousness.

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