Irish bouzouki Gsus4 chord (ADAD)G suspended 4th: 3 5 5 5, and 2 more shapes

Frets, low course to high: 3 5 5 5 (from the 3rd fret) · Gsus4/C

1. Low A course: 3rd fret, index finger, C
2. Low D course: 5th fret, ring finger (barre), G
3. High A course: 5th fret, ring finger (barre), D
4. High D course: 5th fret, ring finger (barre), G

Sounds: C G D G  ·  Gsus4 is G, C, D (1 · 4 · 5)

Open courses that ring: D is a note of Gsus4, so it can drone under it.

With a capo: on the 3rd fret it’s 0 2 2 2 (frets counted from the capo), an open Esus4 shape.

Tuning ADAD: A D A D, low to high.