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G3590

ὄγδοος

ógdoos /og'-do-os/ Ask about this word
from ὀκτώ
the eighth
eighth.

Word Study

In depth

A plain-language study of ógdoos — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word ógdoos, represented by G3590, is the ordinal number for the eighth. It appears 5 times across 5 unique verses in the Bible. While its literal meaning is straightforward, its usage in scripture marks significant moments of ritual, salvation, prophetic sequence, and divine order.

Biblical Occurrences & Contextual Analysis

In its biblical occurrences, G3590 is used to establish specific timing and identity. It marks the precise day for the covenant rite of circumcision, as when Abraham circumcised Isaac on the eighth day Acts 7:8, a practice also followed for the child Zacharias would name John Luke 1:59. In the narrative of the flood, Noah is identified as the eighth person saved, positioning him as the head of a new beginning for humanity 2 Peter 2:5. In prophetic revelation, a beast is identified as the eighth in a sequence of seven kings, one who goeth into perdition Revelation 17:11. Finally, it denotes the eighth foundation stone of the New Jerusalem, a beryl Revelation 21:20.

Related Words & Concepts

Several related words help illuminate the context in which G3590 appears:

  • G1442 hébdomos (seventh): As the ordinal number preceding "eighth," it often appears in direct sequence, highlighting a divine order or progression, such as in the listing of the foundation stones of the New Jerusalem Revelation 21:20.
  • G4059 peritémnō (circumcise): This action is explicitly tied to the eighth day. It defines the covenant ritual that gives significance to the timing mentioned in both Acts and Luke Acts 7:8.
  • G2342 thēríon (beast): This word identifies the prophetic figure described as the eighth in Revelation, connecting the number to a specific entity in eschatological events Revelation 17:11.

Theological Significance

The theological weight of G3590 is seen in its association with covenant, new beginnings, and finality.

  • Covenant Identity: The "eighth day" is established as the time for circumcision, the sign of the covenant G1242 that set apart God's people. This timing marks entry into the covenant community Acts 7:8.
  • A New Beginning: Noah being the eighth person 2 Peter 2:5 signifies more than a simple count; he represents the start of a new human race after the world was judged by the flood G2627, preserved by God as a "preacher of righteousness" G1343.
  • Prophetic Climax: The beast that is the eighth Revelation 17:11 represents the culmination of a sequence of kingdoms. Its identity as the eighth signifies its final place in a line of powers that oppose God before it "goeth into perdition" G684.
  • Divine Perfection: The placement of the beryl G969 as the eighth foundation stone of the New Jerusalem Revelation 21:20 shows its integral part in the perfect, ordered, and beautiful creation God has prepared.

Summary

In summary, G3590 transcends its simple numerical value of eighth. It is a marker of profound spiritual significance, defining the timing of covenant acts, the identity of figures central to salvation and prophecy, and the specific order within God's ultimate plans for judgment and restoration. From the circumcision of a child to the foundations of the eternal city, ógdoos points to a divinely appointed place in a sequence.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as an adjective across 5 occurrences, inflected in 3 grammatical forms — each row is one form, and the bar is how often it is that form.

  • Dative Singular Feminine
  • Nominative Singular Masculine
  • Accusative Singular Masculine
Nominative
The subject of the verb.
Dative
The indirect object — often "to" or "for".
Accusative
The direct object of the verb.
Singular
One.
Masculine
Masculine grammatical gender.
Feminine
Feminine grammatical gender.

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

Appears in 5 verses across 4 of the 27 books. Most frequent in Revelation (2 verses); never once in the other 23.

1
Luke
1
Acts
1
2 Peter
2
Revelation

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.