כָּ֭עֵת בַּמָּר֣וֹם תַּמְרִ֑יא תִּֽשְׂחַ֥ק לַ֝סּ֗וּס וּלְרֹֽכְבֽוֹ׃
그러나 그 몸을 떨쳐 뛰어갈 때에는 말과 그 탄 자를 경히 여기느니라
Siddur Ashkenaz
28. The earliest firstborn was the first to be destroyed. She mentioned the name of others, and that sin caused this. She did not recognize My presence, and she was swept up in the stream. She labored like she was birthing her firstborn "at the time she lifted off to great heights."