The Greek word pyrrházō, represented by G4449, means to redden or be red. It is derived from the word πυῤῥός and appears only 2 times across 2 unique verses in the Bible. Its use is specifically to describe the color of the sky as an indicator of the weather.
Both occurrences of G4449 are found in a single discourse from Jesus in the book of Matthew. He points out that in the evening, people see a red sky and conclude it will be fair weather Matthew 16:2. Conversely, a red and lowring morning sky is interpreted as a sign of foul weather Matthew 16:3. Jesus uses this common knowledge to confront the hypocrites, who are adept at reading natural signs but are blind to the more significant spiritual "signs of the times."
Several related words provide critical context to the use of G4449:
- G3772 ouranós (the sky; by extension, heaven): This is the specific object described as being red in both biblical instances (Matthew 16:2, Matthew 16:3).
- G4768 stygnázō (to render gloomy... glower): This word is paired with G4449 to characterize the morning sky as "red and lowring," implying a somber or threatening appearance Matthew 16:3.
- G4592 sēmeîon (an indication... sign, token): Jesus's central point contrasts the ability to interpret the sign of a red sky with the failure to discern the signs of the times Matthew 16:3.
- G5273 hypokritḗs (an actor under an assumed character... "hypocrite"): This is the term Jesus uses for his audience, condemning them for their ability to interpret weather while ignoring spiritual truth Matthew 16:3.
The theological weight of G4449 lies in its role within Jesus's lesson on discernment.
- Natural vs. Spiritual Knowledge: The ability to interpret a red sky represents a worldly, observational knowledge. Jesus contrasts this with the far more crucial ability to discern spiritual realities and the "signs of the times" Matthew 16:3.
- A Tool for Rebuke: The common understanding of a red sky becomes the basis for Jesus's rebuke. It proves that the hypocrites' failure to understand his ministry was not from a lack of ability to interpret signs, but from a hardened heart.
- Visible and Invisible Realities: The term is used to connect a tangible, visible sign—the color of the sky—to the invisible spiritual truths of the kingdom of God, highlighting the accountability of those who see but refuse to perceive.
In summary, pyrrházō G4449 is a highly specific word whose meaning, to be red, is used exclusively to describe the sky. Though appearing only twice, its role is pivotal. It serves as the literal foundation for a profound spiritual metaphor used by Jesus to expose the hypocrisy of those who could expertly read the natural world but willfully remained blind to the signs of God working in their midst.