Lexical Definition

‎סְגֻלָּה‎ çᵉgullâh (seg-ool-law') possession H:N-F
feminine passive participle of an unused root meaning to shut up

jewel, peculiar (treasure), proper good, special.

1) possession, property
1a) valued property, peculiar treasure
1b) treasure

See Greek: περιούσιος · περιποιέομαι · περιποίησις

Usage: 6 forms in 8 verses
Form Translated As     In Verse(s)
סְגֻלָּה֙ a possession Exod.19.5
סְגֻלָּ֖ה treasure 1Chr.29.3
סְגֻלָּ֔ה possession Deut.7.6Deut.14.2Deut.26.18
סְגֻלָּ֑ה a possession Mal.3.17
לִסְגֻלָּתֽוֹ to possession his Ps.135.4
וּסְגֻלַּ֥ת and treasure of Eccl.2.8

Brown-Driver-Briggs

‎סְגֻלָּה‎ noun feminine possession, property (on formation see BaNB § 95 b ii. 1, 168); — absolute ‎׳‎‎ס‎ Exod 19:5 + 5 t.; construct ‎סְגֻלַּת‎ Eccl 2:8 suffix ‎סְגֻלָּתוֺ‎ Ps 135:4

1. valued property, peculiar treasure, which ‎׳‎‎י‎ has chosen (‎בחר‎) and taken to himself; always of people of Israel, first Exod 19:5 (E; ᵐ5 λαὸς περιούσιος = Titus 2:14; 1Pet 2:9 λαὸς εἰς περιποίησιν = περιποίησις Eph 1:14 compare BrMP 102; MA 52, 235); then ‎׳‎‎עַם ס‎ Deut 7:6; Deut 14:2; Deut 26:18 later ‎׳‎‎ס‎ alone, Mal 3:17; Ps 135:4.

2. treasure (very late), of kings 1Chr 29:3 (gold and silver), Eccl 2:8.

Brown-Driver-Briggs References

Book Refs
Exodus 19:5
Deuteronomy 7:6 · 14:2 · 26:18
1 Chronicles 29:3
Psalms 135:4
Ecclesiastes 2:8
Malachi 3:17
Ephesians 1:14
Titus 2:14
1 Peter 2:9