an inheritance, an heritage, regularly the gift of God to His chosen people, in the Old Testament: the Promised Land, in NT a possession viewed in one sense as present, in another as future; a share, participation.
Strong's:
κληρονομία
heirship, i.e. (concretely) a patrimony or (genitive case) a possession Derivation: from G2818;
κληρονομία, -ας, ἡ (< κληρονόμος) [in LXX chiefly for נַחֲלָה, also for יְרֻשָּׁה, etc. ;] prop., an inherited property, an inheritance: Refs Mat.21:38, Mrk.12:7, Luk.12:13 20:14; in general, a possession, inheritance: Refs Act.7:5, Heb.11:8; of the Messianic Kingdom and its blessings, Refs Act.20:32, Gal.3:18, Col.3:24, Eph.1:14, 18 5:5, Heb.9:15, 1Pe.1:4.† (AS)
Thayer:
1) an inheritance, property received (or to be received) by inheritance 2) what is given to one as a possession 2a) the eternal blessedness of the consummated kingdom of God which is to be expected after the visible return of Christ 2b) the share which an individual will have in that eternal blessedness
κληρονομία
klēronomia
klay-ron-om-ee'-ah
From G2818; heirship, that is, (concretely) a patrimony or (generally) a possession
κληρονόμος
klēronomos
klay-ron-om'-os
From G2819 and the base of G3551 (in its original sense of partitioning, that is, [reflexively] getting by apportionment); a sharerbylot, that is, an inheritor (literally or figuratively); by implication a possessor
KJV Usage: heir.
G2816 κληρονομέωκληρονομέω
klēronomeō
klay-ron-om-eh'-o
From G2818; to be an heir to (literally or figuratively)
KJV Usage: be heir, (obtain by) inherit (-ance).
G4789 συγκληρονόμοςσυγκληρονόμος
sugklēronomos
soong-klay-ron-om'-os
From G4862 and G2818; a co-heir, that is, (by analogy) participantincommon