Lexical Definition

‎רְחוּם‎ Rᵉchûwm (rekh-oom') Rehum N:N-M-P
a form of ‎רַחוּם‎

Rehum.

1) an man who returned from exile with Zerubbabel
1a) also 'Nehum'
2) a commander who wrote a letter to the king Artaxerxes in which he opposed the rebuilding of Jerusalem
3) a Levite of the family of Bani who assisted in rebuilding the walls of Jerusalem
4) one of the chiefs of the people who sealed the covenant with Nehemiah
5) a priest who returned from exile with Zerubbabel

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
רְח֣וּם Rehum Neh.3.17

Brown-Driver-Briggs

‎רְחוּם‎, ‎רְחֻם‎ proper name, masculine (compassion, or softness, gentleness ?); — post-exilic name:

1. with Zerubbabel:
a. ‎רְחוּם‎ Ezra 2:2, A Ιρεουμ’, ᵐ5L Ναουμ ( = ‎נְחוּם‎ || Neh 7:7).
b. priest, ‎רְחֻם‎ Neh 12:3 Ρεουμ ( = ‎חָרִם‎ vNeh 12:15, compare Neh 7:42 = Ezra 2:39; Ezra 10:21, see ‎חָרִם‎ 3 a).

2. ‎רְחוּם‎, with Nehemiah:
a. Levite Neh 3:17, Βασουθ, ‎א‎ A ᵐ5L Ραουμ.
b. Neh 10:26*, Ρα[ε]ουμ.

‎רְחוּם‎ proper name, masculine Persian official Ezra 4:8 (usually explained from √ ‎רחם‎, see Biblical Hebrew; Scheft92 thinks possibly originally ‎רוחם‎, Old Iranian proper name rukma, = splendour).

Brown-Driver-Briggs References

Book Refs
Ezra 2:2 · 2:39 · 4:8 · 10:21
Nehemiah 3:17 · 7:7 · 7:42 · 10:26* · 12:3 · 12:15