Al-Khaṭīb Al-Baghdādī has mentioned this heading and quotes the following general aḥādīth. He then reports narrations from some of the Salaf about letting elders enter first.
Blessings are with your seniors.
Ibn Ḥibbān et al. Graded ṣaḥīh by Al-Albānī and others. See Al-Ṣaḥīḥah no. 1778.
Also read
It is reported from Abī Qilābah that when Ibn ‘Abbās – Allāh be pleased with him – went out to the masjid, the neighbors knew that he had passed due the pleasant scent [of perfume] that came from him. It is reported that ‘Abdullāh [Ibn Masʿūd] used to use perfume that had musk in it. […]
The Salaf used to be careful not to speak in front of elders unless absolutely needed.
Some of the most important things that benefit us, and without which, a person is of no benefit.