The Greek word tropḗ, represented by G5157, means a turn, revolution, or variation. This term is exceptionally rare in scripture, appearing only 1 time in 1 unique verse. Its singular use, however, is foundational for understanding a key attribute of God's character: His immutability.
The sole instance of G5157 is found in a description of God's perfect and unchanging nature. In James 1:17, it states that every good and perfect gift comes from "the Father of lights, with whom is no variableness, neither shadow of turning." Here, the word is used to affirm that God is completely stable and consistent. Unlike celestial bodies that turn and cast shifting shadows, God's character and purpose do not waver or change in the slightest.
Several words from its immediate context illuminate the meaning of G5157:
- G3883 parallagḗ (variableness): Defined as "transmutation" or "fickleness," this word appears directly alongside G5157. Its use in James 1:17 emphasizes that there is no fickleness or change of any kind in God.
- G644 aposkíasma (shadow): Meaning "a shading off" or "obscuration," this word forms the memorable phrase "shadow of turning." It intensifies the concept by stating that not even the slightest hint or appearance of change can be found in God James 1:17.
- G3962 patḗr (father): This identifies the one who is without turning as the "Father of lights," the source of all that is good and perfect. God's role as the ultimate father is characterized by this absolute steadfastness James 1:17.
The theological weight of G5157 is centered on the doctrine of divine immutability.
- God's Unchanging Character: The primary contribution of this word is to declare that God is unchangeable. The phrase "no variableness, neither shadow of turning" James 1:17 is an unequivocal statement that God's essence, attributes, and promises are constant.
- Reliability of God's Gifts: This immutability is directly linked to His goodness. Because the "Father of lights" G3962 G5457 does not turn, every "good" G18 and "perfect" G5046 gift that "cometh down" G2597 from Him is trustworthy and constant James 1:17.
- Contrast with Creation: By referencing the "Father of lights" and the "shadow of turning," the verse contrasts God with the created universe. While heavenly bodies rotate and change, God, their Creator, remains eternally fixed and true.
In summary, G5157 tropḗ provides a concise yet powerful theological anchor in Scripture. Though used only once, its appearance in James 1:17 is unforgettable, defining God as perfectly immutable and reliable. It illustrates that the source of every good gift is a Father who is free from any change, variation, or even the slightest shadow cast by turning.
TRV