geas

Etymology
Borrowed, like, from. The pronunciation resembles, though the spelling matches its synonymous but heterophonous alternative form.

Noun

 * 1)  A (generally magical) vow, obligation or injunction placed upon someone to do or not do something, which typically brings harm if violated and blessings if obeyed.
 * 2) * 1992,, "Chivalry", republished in 1998, :
 * Galaad stood up again and turned to Mrs. Whitaker. 'Gracious lady, keeper of the Holy of Holies, let me now depart this place with the Blessed Chalice, that my journeyings may be ended and my geas fulfilled.'
 * 1) * 2019, Jennifer Blackstream, The Blood Trails Series, Books 1-3: Deadline, Monster, and Taken, Skeleton Key Publishing:
 * “No one knows why?” “No one will talk about it. The older ones give each other looks if the subject comes up—which it almost never does. I heard a rumor there was a geas against speaking of what happened.” My eyebrows shot up.
 * 1) A mystical compulsion.
 * 2) * 2000, Ly De Angeles, Witchcraft: Theory and Practice, Llewellyn Worldwide, page 176:
 * A geas is your own personal haunting by yourself!Kassandra, a Greek prophetess who always envisioned dreadful happenings, had a geas on her. She might have wanted to be a queen or a housewife, a warrior or a merchant, but she wasn't (even though a geas won't interfere in any of your pursuits). She became legendary for the geas that propelled her to prophesy dreadful happenings.
 * 1) * 2019, Jennifer Blackstream, The Blood Trails Series, Books 1-3: Deadline, Monster, and Taken, Skeleton Key Publishing:
 * “No one knows why?” “No one will talk about it. The older ones give each other looks if the subject comes up—which it almost never does. I heard a rumor there was a geas against speaking of what happened.” My eyebrows shot up.
 * 1) A mystical compulsion.
 * 2) * 2000, Ly De Angeles, Witchcraft: Theory and Practice, Llewellyn Worldwide, page 176:
 * A geas is your own personal haunting by yourself!Kassandra, a Greek prophetess who always envisioned dreadful happenings, had a geas on her. She might have wanted to be a queen or a housewife, a warrior or a merchant, but she wasn't (even though a geas won't interfere in any of your pursuits). She became legendary for the geas that propelled her to prophesy dreadful happenings.
 * 1) * 2000, Ly De Angeles, Witchcraft: Theory and Practice, Llewellyn Worldwide, page 176:
 * A geas is your own personal haunting by yourself!Kassandra, a Greek prophetess who always envisioned dreadful happenings, had a geas on her. She might have wanted to be a queen or a housewife, a warrior or a merchant, but she wasn't (even though a geas won't interfere in any of your pursuits). She became legendary for the geas that propelled her to prophesy dreadful happenings.
 * A geas is your own personal haunting by yourself!Kassandra, a Greek prophetess who always envisioned dreadful happenings, had a geas on her. She might have wanted to be a queen or a housewife, a warrior or a merchant, but she wasn't (even though a geas won't interfere in any of your pursuits). She became legendary for the geas that propelled her to prophesy dreadful happenings.

Etymology
From, from the same root as.

Noun

 * 1) enchantment, sorcery