Asmodaios

Asmodaios is the Greek form of the name Asmodeus, appearing in the Septuagint (the Greek translation of the Hebrew Bible) and in the deuterocanonical Book of Tobit, which is part of the Catholic and Orthodox biblical canons but considered apocryphal by most Protestant traditions. As such, it reflects the transmission of the demon's name from its Iranian and Hebrew origins into Greek-speaking Jewish and Christian contexts. The form Asmodaios (Ἀσμοδαῖος) represents a direct transliteration based on the Hebrew ʾAshmedʾai or its Aramaic counterpart.

Etymology

The name ultimately derives from a composite of two Avestan — an Old Iranian language — elements: aēšəma meaning “wrath” and daēuua meaning “demon.” This construction emphasizes a being of demonic wrath, drawing on Zoroastrian demonology. The Hebrew form Ashmedai is found in later rabbinic literature, while the Greek Asmodaios appears in Tobit and was adopted by early Christian texts.

Biblical and Religious Context

In the Book of Tobit, Asmodaios is the name of a demon who kills seven successive husbands of Sarah, a devout woman, on their wedding nights. The hero Tobiah, accompanied by the archangel Raphael, uses the smoke from the heart and liver of a fish to drive the demon away, thus freeing Sarah from its persecution. Asmodaios is not presented as a king of demons in Tobit; that stature emerges later in Talmudic and demonological traditions. The Talmud (Tractate Gittin) describes Ashmedai as the king of the shedim, or destructive spirits, and associates him with Solomon, from whom he reportedly obtained secret knowledge.

Notable Bearers

Because Asmodaios is a name rooted in scripture and legend rather than in common personal use, there are no direct bearers in historical or contemporary society. However, the name has inspired variant forms such as Asmodeus and Ashmedai that appear in medieval grimoires, including the Lemegeton (Lesser Key of Solomon), where Asmodeus is listed as a powerful prince of hell associated with lust. The demon’s legacy also appears in The Exorcist of 1973, where the entity Asmodeus is referenced.

Cultural Significance

From the Book of Tobit onward, Asmodaios represents a destructive force linked to sexual desire and murder, later codified by Renaissance demonologists as the demon of lust. In varying occult traditions, his images eventually become more eroticized and psychological. Through transliteration in the King James Version, Tobit placed this demonic name in the Christian folklore backbone, enabling many figurations from Milton to modern horror.

• Meaning: from Avestan elements “wrath” and “demon” — “demonic wrath”
• Origin: Iranian (Avestan), transmitted through Hebrew and Greek
• Types: demonological name, late biblical figure
• Closely related names: Asmodeus, Ashmedai, Asmodai