Al-Adab Al-Mufrad, Book 42, Hadith 83 (In-Book) ⓘ
Al-Hasan said, "Be women who greet men."
حَدَّثَنَا مُوسَى، قَالَ: حَدَّثَنَا مُبَارَكٌ قَالَ: سَمِعْتُ الْحَسَنَ يَقُولُ: كُنَّ النِّسَاءُ يُسَلِّمْنَ عَلَى الرِّجَالِ.
also referenced under: Hadith 1046 (Reference) & Book 42, Hadith 1046 (English)