rā, ṣād, dāl
5 names share this root — every one of them carries a thread of the same meaning.
Ibn Abu Marsad al-Ghanavi was the companion of the Prophet PBUH who took part in the Badr Battle and had this name.
No independent English meaning found for this name in these sources. Its Arabic spelling matches a real word in the Quran — see the citation below.
Mirsad is an Arabic name for boys that means lookout, observation post, observatory, place of ambush (a place where people lie in wait for ambush someone/something).
Chest, breast, forefront, start, dawn, bosom, the highest part, prime.
Sudur is an Arabic name for boys and girls that means hearts. Its literal meaning is chests. It is used 34 times in the Quran.