From Hebrew angelic tradition, often interpreted as 'my cover is God' or 'God is my shelter.'
Cassiel is an angelic name of rare antiquity and beauty, drawn from Jewish mystical tradition and preserved across centuries of esoteric literature. Its origins lie in Hebrew and Aramaic, though its exact etymology is debated: one interpretation connects it to the Hebrew *kas*, meaning "to cut off" or "to cover," and *El*, the divine name for God, rendering it something like "speed of God" or "God's cover." Another reading links it to the Arabic *qas*, relating to measurement or justice.
What is consistent across traditions is Cassiel's identity: one of the seven archangels in the Kabbalistic and later Christian angelological hierarchies, the angel of solitude, tears, and the planet Saturn. In the angelological texts of the medieval period — the *Liber Razielis*, the *Heptameron*, the *Lemegeton* — Cassiel presides over Saturday (Saturn's day) and is associated with deep time, melancholy, and the souls of the departed. He is not a warrior angel like Michael or a healer like Raphael, but a witnessing angel, one who watches grief without intervening.
This contemplative role gives the name a poetic weight absent from more militant angelic names. Wim Wenders drew on this tradition in his 1987 film *Wings of Desire*, where the angel Cassiel (played by Otto Sander) observes Berlin's human suffering with aching empathy. For contemporary parents, Cassiel has a celestial quality that stands apart from the more common Gabriel or Raphael — known but not overused, rooted in ancient tradition but phonetically fresh. The "-iel" suffix (a divine marker in Hebrew) places it firmly in angelic name territory, giving it gravitas that purely invented names cannot replicate.