סיוט (siyut) — nightmare
Etymology
In European languages, the word for nightmare is almost universally derived from a word for a demon or evil spirit — the belief being that nightmares are caused by malevolent supernatural visitors. Italian has incubo (from Latin incubus), German Alptraum (from Alp, a malicious elf), and the ancient demon mar appears in variants across English (nightmare), Danish (mareridt), Dutch (nachtmerrie), Norwegian (mareritt), Czech (noční mura), Swedish (mardröm), French (cauchemar), Polish, Romanian, Russian, and Yiddish (koshmar).
Hebrew's path to its word for nightmare is no different in origin, but the rescue of the word from obscurity is a story of scholarly detective work. At the dawn of the 20th century, as Hebrew was being revived as a spoken language, no word existed in Modern Hebrew for a bad dream. Eliezer Ben-Yehuda, who was simultaneously compiling his monumental Hebrew dictionary, encountered the solution around 1904 while reading "Tokhahot Musar," a moralistic work by Rabbi Ezra ben Yehezkel ha-Bavli of Baghdad, printed in Istanbul in 1735. In its pages he found: "From the greatness of your weakness you will see in your dream a siyuta as if you drank the bitter waters like a sotah..." The context made the meaning clear — a terrifying nightmare-creature. Ben-Yehuda began inserting the Hebraized form סיוט into his newspapers without explanation, trusting context to convey the meaning: "No. This is not a dream! No, this is not a siyut!" (1904); "Who knows what dreams, what siyutim?" (1909).
The Aramaic word סיוטא had deep roots in Babylonian Jewish tradition, where it denoted a frightening demon that attacks people in their sleep. Rashi, in his Talmud commentary, defined siyuta as "angels of fear" (Yoma 22b: "Saul son of Kish had just seen a siyuta in his dream"). The word also appears alongside the names of other demons in Jewish Babylonian magic incantation bowls from various periods.
Alongside siyut, Modern Hebrew also acquired the phrase חלום בלהות (halom balahot, "dream of terrors"). The word בלהות appears several times in the Bible (e.g., Isaiah 17:14) with an uncertain meaning — Talmudic sages parsed it as "ceased to be," Radak linked it to "fright," and most modern scholars agree with Rashi that it means "demons." The compound phrase חלום בלהות was finally cemented by the writer and artist Ira Jan in her 1908 essay "From the Diary of a Jerusalem Woman" in Po'el Hatza'ir, where it appears repeatedly as a rhetorical device.
Key Quotes
"מרוב חולשתך תראה בחלומך סיוטא כאילו שתיתה מי המרים כסוטה" — Rabbi Ezra ben Yehezkel ha-Bavli, Tokhahot Musar, Istanbul, 1735
"לא. זה לא חלום! לא, זה לא סיוט!" — Eliezer Ben-Yehuda, c. 1904
"המציאות או חלום-בלהות הוא שעם ישראל – עם סגולה, שעם ישראל הוא הנאלח והנמבזה בעמים?" — Ira Jan, Po'el Hatza'ir, 1908
Timeline
- Talmudic era: סיוטא attested as demonic creature in Babylonian Talmud (Yoma 22b)
- Various periods: סיוטא appears on Jewish Babylonian magic incantation bowls
- 1040–1105: Rashi defines siyuta as "angels of fear" in his Talmud commentary
- 1735: Word appears in Rabbi Ezra ben Yehezkel's "Tokhahot Musar" (Istanbul)
- c. 1904: Ben-Yehuda encounters the word and begins using סיוט in Modern Hebrew
- 1908: Ira Jan coins/popularizes the parallel phrase חלום בלהות in Po'el Hatza'ir
- 1909: Ben-Yehuda uses סיוטים (plural) in his newspaper
Related Words
- חלום בלהות — nightmare; parallel expression coined/popularized by Ira Jan (1908)
- בלהות — terrors, demons; biblical word (Isaiah 17:14; Psalms 73:19–20)
- שד — demon; general Hebrew word for evil spirit