אֲרֻבָּהarubbah meaning in Biblical Hebrew
vent, window, opening (of the sky: the sluices of heaven) · noun, feminine (plural אֲרֻבּוֹת, arubbot)
Also spelled in English: arubah
The sky in Genesis has vents, and on the seventeenth of the month somebody threw them open. Hebrew calls each one an arubbah.
בַּחֹדֶשׁ הַשֵּׁנִי בְּשִׁבְעָה־עָשָׂר יוֹם לַחֹדֶשׁ בַּיּוֹם הַזֶּה נִבְקְעוּ כָּל־מַעְיְנֹת תְּהוֹם רַבָּה וַאֲרֻבֹּת הַשָּׁמַיִם נִפְתָּחוּ
“In the second month, on the seventeenth day of the month, on that day all the springs of the great deep burst open, and the windows (arubbot) of the heavens were opened. (Genesis 7:11)”
What opening in your own home acts like an arubbah?