כָּ֭עֵת בַּמָּר֣וֹם תַּמְרִ֑יא תִּֽשְׂחַ֥ק לַ֝סּ֗וּס וּלְרֹֽכְבֽוֹ׃
Przy pierwszej sposobności unosi się wysoko, urąga rumakowi i jeźdźcy jego.
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."