七瀬川に掛けられた橋（四ノ橋）が川と斜めに架けられ、この橋が「すじかいばし」と呼ばれたことから。

The name comes from the bridge (called Shino-hashi bridge) that crosses diagonally over the Nanase-gawa river which is called Sujikai-bashi. - Wikipedia日英京都関連文書対訳コーパス

わかりやすいところでは十二単の色目を参考にした斜め二色の袱紗を使用することがあげられ、また畳紙（たとう）と浅香の懸盤を参考にした小掛台とを使った貴人点前も公家文化をよく反映したものである。

Some prominent examples of the influence of court culture are the use of fukusa (a small cloth for wiping tea utensils) in two colors on a skew which refers to the color pattern of juni-hitoe (twelve-layered ceremonial kimono wear) as well as the Kinin-date (the tea ceremony procedure for nobilities) using tato (a folding paper-case) and kokakedai (a small table) which refers to Senko no Kakeban (a small low table made of subtle fragrant wood to place dishes). - Wikipedia日英京都関連文書対訳コーパス