From yarash; something occupied; a conquest; also a patrimony -- heritage, inheritance, possession.
see HEBREW yarash
H3425. yerushshah
יְרֻשָּׁה noun feminine (a) possession, inheritance; — absolute ׳יר Deuteronomy 2:5 7t., construct יְרֻשַּׁת Judges 21:17; Psalm 61:6 (but on text see below); suffix יְרֻשָּֽׁתְךָ2 Chronicles 20:11; יְרֻשָּׁתוֺ Deuteronomy 2:12; 3:20; יְרֻשַּׁתְכֶם Joshua 1:15; — used of land Deuteronomy 2:5, 9 (twice in verse); 2:19 (twice in verse); 3:20; יְרֻשָּׁתוֺ אֶרֶץ 2:12 the land of his possession, so Joshua 1:15; further, 12:6-7, Judges 21:7 (but BuRs 152 נִשְׁאֲרָה), Jeremiah 32:8 + Jer 61:6 (but < אֲרֶשֶׁת request, compare Checritical note.), 2 Chronicles 20:11.