### Core Meaning & Semantic Range
The Greek word **prosrḗgnymi**, represented by `{{G4366}}`, means to burst upon or **beat vehemently against**, like a tempest or flood. It is a compound word derived from πρός and ῥήγνυμι, meaning "to tear towards." This specific and forceful term appears **3 times** across **2 unique verses**, exclusively used to describe the violent impact of a flood against a house.
### Biblical Occurrences & Contextual Analysis
In the biblical narrative, `{{G4366}}` is found solely within the parable of the wise and foolish builders. It describes the moment of testing for two different houses. In the case of the wise builder, the "stream **beat vehemently** upon that house" but it could not be shaken because its foundation was on a rock [[Luke 6:48]]. In contrast, for the foolish builder's house built on the earth, the stream **did beat vehemently** against it, causing it to fall immediately [[Luke 6:49]].
### Related Words & Concepts
Several related words clarify the consequences of this violent impact:
* `{{G4531}}` **saleúō** (to waver...shake): This word describes the stability or instability of the structure. The house on the rock could not be **shaken** `{{G4531}}` by the force of the stream [[Luke 6:48]], whereas the powers of the heavens are also described as being **shaken** `{{G4531}}` in end times prophecy [[Matthew 24:29]].
* `{{G4098}}` **píptō** (to fall): This term denotes the ultimate outcome for the house without a proper foundation. After the stream beat against it, "it **fell**" `{{G4098}}` [[Luke 6:49]]. The same word is used to describe a spiritual warning, "let him that thinketh he standeth take heed lest he **fall**" [[1 Corinthians 10:12]].
### Theological Significance
The theological weight of `{{G4366}}` is directly tied to the parable's lesson on spiritual foundations.
* **The Force of Opposition:** The word illustrates the intense and unavoidable nature of trials, floods, and streams that will test a believer's life. The impact is not gentle but vehement.
* **The Test of Obedience:** The action of `{{G4366}}` serves as the catalyst that reveals the truth of one's faith. The house built upon hearing and doing God's word withstands the onslaught [[Luke 6:48]].
* **The Result of a Poor Foundation:** For the one who hears but does not act, the impact described by `{{G4366}}` leads directly to ruin. The house **fell** and its ruin was great, highlighting the catastrophic consequence of a faith not built on the rock [[Luke 6:49]].
### Summary
In summary, `{{G4366}}` is a highly specific term for a violent assault by natural forces. Its use in scripture is confined to a single parable where it functions as a potent metaphor for the trials that every life must face. The word powerfully illustrates that the strength of one's spiritual foundation is only proven when it is **beat vehemently** against by the storms of life, determining whether it stands firm or collapses into ruin.
TRV