印いんを結むすぶ

expression, godan verb (-bu)

form hand gestures; make symbolic signs with the fingers

Refers to forming specific hand gestures, often in religious or esoteric Buddhist contexts (mudras), but can also apply to other symbolic finger signs.

• 僧そう侶りょが印いんを結むすびながら経きょうを唱となえた。

  The monk chanted sutras while forming hand gestures.

• 忍にん者じゃは九く字じを切きり、印いんを結むすんだ。

  The ninja made the nine-syllable slashes and formed hand signs.