The story
Borrowed from Hebrew כיסא אליהו / כִּסֵּא אֵלִיָּהוּ (literally “chair of Elijah”).
Etymology from Wiktionary, CC BY-SA 4.0.
Kisei Eliyahu
Today it means: The chair in which the sandek sits during brit milah, dedicated to the prophet Elijah. Full definition →