### Core Meaning & Semantic Range
The Greek word **hierateía**, represented by `{{G2405}}`, defines **priestliness** or the **sacerdotal function**. It appears **2 times** in **2 unique verses** in the Bible. The term specifically refers to the duties and responsibilities inherent to the **office of the priesthood**.
### Biblical Occurrences & Contextual Analysis
In its biblical usage, `{{G2405}}` describes the official capacity of a priest. In Luke, it refers to the rotational duties within the temple, where a priest's turn to **burn incense** was determined by lot "according to the custom of the **priest's office**" [[Luke 1:9]]. The book of Hebrews connects the **office of the priesthood** to the Levitical lineage, specifying that the sons of Levi were granted the role, which included the legal **commandment** to **take tithes** from the people [[Hebrews 7:5]].
### Related Words & Concepts
Several related words help clarify the context of the priestly office:
* `{{G3017}}` **Levi**: This refers to **Levi, the name of three Israelites**, whose descendants were given the priestly duties according to the law [[Hebrews 7:5]].
* `{{G2370}}` **thymiáō**: Meaning to **burn incense**, this word describes a specific ceremonial duty performed as part of the **priest's office** [[Luke 1:9]].
* `{{G1785}}` **entolḗ**: Defined as an **injunction** or **commandment**, this establishes the authority by which priests operated, such as the commandment to take tithes [[Hebrews 7:5]].
### Theological Significance
The theological weight of `{{G2405}}` is seen in its function within the Old Covenant system.
* **Regulated Worship:** The term underscores that priestly functions were not arbitrary but followed established procedures, such as the "custom of the **priest's office**" for offering incense in the temple [[Luke 1:9]].
* **Legal and Hereditary Authority:** The **office of the priesthood** was legally established under the **law** `{{G3551}}`, granting the "sons of **Levi**" `{{G3017}}` a specific, inherited right and responsibility to administer certain commandments [[Hebrews 7:5]].
* **Administration of the Law:** Priests holding this office were responsible for carrying out specific legal requirements, demonstrating their role as administrators of the covenant between God and Israel, such as overseeing the collection of tithes [[Hebrews 7:5]].
### Summary
In summary, `{{G2405}}` is a precise term for the **sacerdotal function** established under the law. It encompasses both the ceremonial duties within the temple, like burning incense, and the legal responsibilities granted to the Levitical lineage, such as the commandment to tithe. The word defines a structured and authoritative role central to the religious life of Israel.