Komentaryong Sumisipi para sa Mga Panaghoy 3:17

וַתִּזְנַ֧ח מִשָּׁל֛וֹם נַפְשִׁ֖י נָשִׁ֥יתִי טוֹבָֽה׃

Napalayo ang aking kaluluwa sa kapayapaan; nakalimutan ko na ang kabutihan.

Rashi

Peace in his home: And this is what we say later (Shabbat 25b): "And my soul is removed far off from peace" (Lamentations 3:17) - that is the [absence of the] kindling the Shabbat lights. As the people of his household will be pained to sit in the dark.
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Siftei Chakhamim

Thus weakening His capacity for benevolence towards you. It comes from the same root as “His strength תשש (became weak) like a female” (Rashi Bamidbar 11:15). According to the first explanation, the word תשי comes from the root “I נשיתי (forgot) prosperity” (Eicha 3:17).
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Rashbam

נשני, the construction of the word from the root נשש is similar to a similar construction of the root חנן in 33,11 where Yaakov explained to his brother Esau that he was looking at his children. The proof of this is the dagesh in the letter ש. [which effectively doubles that letter. Ed.] If the word nashani had been derived from the root נשה as in Isaiah 44,21 לא תנשני, or as in Lamentations 3,17, נשיתי טובה, where the root is one that loses its last root letter, the Torah here should have written nishani, instead of nashani. It then would have been parallel to the construction in Samuel II 19,27 עבדי רמני, rimani from the root רמה, to deceive, and other similar examples.
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