(the mother of faithful believers) Messenger of Allah ﷺ saw some nasal secretions, expectoration or sputum on the wall of the mosque in the direction of the Qibla and scraped it off. (Using translation from Bukhārī 407)
أَنَّ رَسُولَ اللهِ ﷺ رَأَى فِي جِدَارِ الْقِبْلَةِ بُصَاقًا أَوْ مُخَاطًا أَوْ نُخَامَةً فَحَكَّهُ
(the mother of faithful believers) Messenger of Allah ﷺ saw some nasal secretions, expectoration or sputum on the wall of the mosque in the direction of the Qibla and scraped it off.
أَنَّ رَسُولَ اللَّهِ ﷺ رَأَى فِي جِدَارِ الْقِبْلَةِ مُخَاطًا أَوْ بُصَاقًا أَوْ نُخَامَةً فَحَكَّهُ
The Apostle of Allah (may, peace be upon him) saw spittle or snot or sputum, sticking to the wall towards Qibla and scratched it off.
أَنَّ النَّبِيَّ ﷺ رَأَى بُصَاقًا فِي جِدَارِ الْقِبْلَةِ أَوْ مُخَاطًا أَوْ نُخَامَةً فَحَكَّهُ
The Apostle of Allah ﷺ saw sputum sticking to the Qibla of the mosque. He scratched it off with a pebble and then forbade spitting on the right side or in front, but (it is permissible) to spit on the left side or under the left foot. (Using translation from Muslim 548a)
أَنَّ رَسُولَ اللهِ ﷺ رَأَى نُخَامَةً فِي قِبْلَةِ الْمَسْجِدِ فَحَكَّهَا بِيَدِهِ
[Machine] That the Messenger of Allah, ﷺ , saw a bone in the direction of the mosque, so he scratched it with his hand.
أَنَّ رَسُولَ اللهِ ﷺ رَأَى نُخَاعَةً فِي قِبْلَةِ الْمَسْجِدِ فَحَكَّهَا بِيَدِهِ