Tamagushi (玉串, literally "jewel skewer") is a form of Shinto offering made from a sakaki-tree branch decorated with shide strips of washi paper, silk, or cotton.
The earliest recorded transcription of tamagushi is 玉籤, using kuji 籤 "bamboo slip; (divination) lot; written oracle; raffle; lottery" instead of kushi.
The (c. 720 CE) Nihon Shoki "Chronicles of Japan", which repeatedly mentions a 500-branched masakaki 真榊 "true sakaki" tree (tr.
This mytho-history records a legend that when the sun-goddess Amaterasu got angry with her brother Susano'o and closed the door on the "Rock-cave of Heaven", the gods decorated a giant sakaki tree in order to lure the sun out of the darkness.
"Toyo-tama" and "jewels") and kushi 櫛 "comb", which is a Nihon Shoki graphic variant of kuji 籤 in the goddess named Tamakushi Hime 玉櫛姫 (tr.
Despite consensus that -gushi 串 means "skewer; stick" (of sakaki), the original signification of tama- 玉 "jade; jewel; ball" remain obscure.
On May 12, 1992, the Takamatsu High Court overturned the Matsuyama decision, reasoning that the Shinto offerings were constitutionally allowed within the realm of "social protocol".
The 'Tamagushirō Decision' of the Supreme Court against Ehime Prefecture, which declared that making donations to purchase tamagushi was against the Constitution based on the religious freedom of Article 20, would not strike the Japanese (who believe in many gods) as anti-constitutional.