Hadithcore
Hadith #2112290

And they both agreed that the explanation of the meaning of Shighar is the saying of Nafi'.

وَاتَّفَقَا مِنْ وَجْهٍ آخَرَ عَلَى أَنَّ تَفْسِيرَ اَلشِّغَارِ مِنْ كَلَامِ نَافِعٍ [1]‏ .‏

References2 variants
Sunnah.com reference
Book 8, Hadith 23
Arabic/English book reference
Book 8, Hadith 0