首しゅ題だい

noun

heading of a document; title line

Refers to the heading or title line of a formal document, letter, or notice. Often used in official or business contexts.

• この通つう知ち書しょの首しゅ題だいには「重じゅう要よう」と書かかれている。

  The heading of this notice says 'Important'.

noun

opening phrase of a sutra

Specifically used in Buddhist contexts for the opening phrase or title of a sutra. Rare in everyday language.

• このお経きょうの首しゅ題だいは「如にょ是ぜ我が聞もん」で始はじまる。

  The opening phrase of this sutra begins with 'Thus have I heard'.