מַרְאֵ֨ה הָאוֹפַנִּ֤ים וּמַעֲשֵׂיהֶם֙ כְּעֵ֣ין תַּרְשִׁ֔ישׁ וּדְמ֥וּת אֶחָ֖ד לְאַרְבַּעְתָּ֑ן וּמַרְאֵיהֶם֙ וּמַ֣עֲשֵׂיהֶ֔ם כַּאֲשֶׁ֛ר יִהְיֶ֥ה הָאוֹפַ֖ן בְּת֥וֹךְ הָאוֹפָֽן׃
그 바퀴의 형상과 그 구조는 넷이 한결 같은데 황옥 같고 그 형상과 구조는 바퀴 안에 바퀴가 있는 것 같으며
Rashi on Ezekiel
like the appearance of crystal Heb. תַּרְשִּׂישּׂ, like a precious stone named tarshish, cristal in French.
Rashi on Ezekiel
as...would be A wheel set within a wheel, crosswise. Since they go to every side, with their faces to the four directions, the wheel must roll in its four directions.