קָפָא

קָפָא

to shrink, i.e. thicken (as unracked wine, curdled milk, clouded sky, frozen water)

Definition

The Hebrew verb קָפָא (qâphâʼ) describes the process of a liquid thickening, solidifying, or congealing. It can refer to water freezing or becoming solid, as in the poetic description of the Red Sea's waters 'congealing' in the heart of the sea (Exodus 15:8). It also describes the biological process of curdling or coagulation, such as the formation of a fetus in the womb (Job 10:10). In a metaphorical sense, it is used for the sky growing thick, dark, or overcast (Zephaniah 1:12; Zechariah 14:6), conveying a sense of ominous stillness or change.

Biblical Usage

This verb is used only four times in the Old Testament, primarily in poetic and prophetic contexts. It describes a dramatic physical change of state: the miraculous parting of the sea (Exodus 15:8), the mysterious formation of life (Job 10:10), and the darkening of the heavens as an image of judgment or unusual divine activity (Zephaniah 1:12; Zechariah 14:6). Its usage spans narrative poetry, wisdom literature, and prophetic books.

Etymology

A primitive root, its core meaning relates to contraction, shrinking, or thickening. Cognates in other Semitic languages support meanings of congealing or curdling. The semantic range developed from the physical process of solidification to include metaphorical applications for darkening skies.

Semantic Range

This word is theologically significant as it appears in key passages highlighting God's sovereign power over creation. In Exodus 15:8, it describes His miraculous intervention in salvation history. In Job 10:10, it touches on the mystery of God as the author of life. In the prophets (Zephaniah 1:12, Zechariah 14:6), it portrays atmospheric disturbances associated with divine judgment and the Day of the Lord, emphasizing God's control over all natural order for His purposes. In an ancient Near Eastern context without modern science, processes like curdling milk, water freezing, or the sky darkening were observed as profound changes of state, often attributed directly to divine action. The use of this single verb for such diverse phenomena reflects a worldview that saw a unifying principle—a divinely orchestrated 'thickening' or 'setting'—behind these events. קָשָׁה (qâshâh, H7185) — to be hard, severe, or difficult; focuses on hardness rather than the process of solidification. חָמַץ (châmats, H2556) — to be sour or leavened; describes a different chemical change in substances.

Word Details