### Core Meaning & Semantic Range
The Greek word **tríchinos**, represented by `{{G5155}}`, is defined as **hairy**, or something **made of hair (mohair)**. This specific adjective appears only **1 times** across **1 unique verses** in the Bible. Its singular use provides a stark and memorable image within the context of apocalyptic prophecy.
### Biblical Occurrences & Contextual Analysis
The sole biblical appearance of `{{G5155}}` occurs in the description of the cataclysmic events following the opening of the sixth seal. John **beheld** `{{G1492}}` a **great** `{{G3173}}` earthquake, and as part of this divine judgment, "the **sun** `{{G2246}}` **became** `{{G1096}}` **black** `{{G3189}}` as **sackcloth** `{{G4526}}` **of hair**" [[Revelation 6:12]]. The term specifies the material of the sackcloth, emphasizing its coarse and dark nature to create a powerful visual of a lightless sun.
### Related Words & Concepts
Several related words from its context help illuminate its meaning:
* `{{G4526}}` **sákkos** (sackcloth): This is the noun that `{{G5155}}` modifies. It refers to "sack"-cloth, a material or garment worn as a sign of grief, tying the cosmic event directly to mourning.
* `{{G3189}}` **mélas** (black): This describes the color of the sun, which is compared to the sackcloth of hair. The word is also used to describe one of the horses of the apocalypse [[Revelation 6:5]].
* `{{G2246}}` **hḗlios** (the sun): This is the celestial body that undergoes the dramatic transformation, becoming dark and serving as a major sign in the prophecy.
* `{{G4578}}` **seismós** (an earthquake): This term sets the scene of widespread commotion and judgment in which the darkening of the sun takes place [[Revelation 6:12]].
### Theological Significance
The theological weight of `{{G5155}}` is derived entirely from its role in the powerful imagery of Revelation.
* **Sign of Judgment:** Its use is embedded within the opening of the **sixth** `{{G1623}}` **seal** `{{G4973}}`, a moment of profound cosmic upheaval signifying divine judgment upon the earth. The description of the sun turning black as hairy sackcloth is a terrifying portent.
* **Symbol of Cosmic Mourning:** Sackcloth itself is a symbol of grief and repentance [[Matthew 11:21]]. By specifying the material as **of hair**, the text intensifies this image, suggesting a deep, sorrowful, and coarse state for the very source of light.
* **Visual Prophecy:** The term is crucial for the vivid and sensory language of apocalyptic literature. It moves beyond a simple statement like "the sun turned dark" to an unsettling, specific comparison that would have been immediately understood by the original audience.
### Summary
In summary, while **tríchinos** `{{G5155}}` is a rare word, its single appearance is highly significant. It provides a key detail in the dramatic vision of the sixth seal, defining the texture and nature of the sackcloth to which the darkened sun is compared. This specificity enhances the themes of judgment and cosmic mourning, illustrating how a single descriptive word can lend immense power to prophetic imagery.