פירוש על דברי הימים ב 2:6

and with purple אַרְגְּוָן. This is synonymous with אַרְגָּמָן.

and crimson כַּרְמִיל. This is תוֹלַעַת שָׁנִי. The proof is that תוֹלַעַת שָׁנִי is not mentioned here.

and who knows how to make engravings Heb. לְפַתֵּחַ פִּתּוּחִים. An example is (Ex. 28:36) פִּתּוּחֵי חֹתָם, the engravings of a signet; someone who knows how to cut and make forms in stones, graber or greber in Middle German.