Isaiah 16:7 Halakhah

לָכֵ֗ן יְיֵלִ֥יל מוֹאָ֛ב לְמוֹאָ֖ב כֻּלֹּ֣ה יְיֵלִ֑יל לַאֲשִׁישֵׁ֧י קִיר־חֲרֶ֛שֶׂת תֶּהְגּ֖וּ אַךְ־נְכָאִֽים׃

Therefore shall Moab wail for Moab, Every one shall wail; for the sweet cakes of Kir-hareseth shall ye mourn, Sorely stricken.

Read halakhic rulings (Jewish law) on Isaiah 16:7: and classical halakhic sources.