noun / adjective
argyle
AR-gyle/ˈɑːrɡaɪl/
A pattern of overlapping diamonds, especially on knitwear.
The knitted socks display an argyle pattern of crossing colored diamonds.

Etymology
The pattern is said to take its name from resemblance to tartans worn by the Campbell clan of Argyll. The place name itself means “land of the Gaels.”
More examples
- The socks have a bright argyle pattern.
- She chooses argyle rather than stripes.
- Thin diagonal lines cross the diamonds in the argyle.
Similar words
- plaid
- A pattern of intersecting bands rather than overlapping diamonds.
- diamond pattern
- A broader description without argyle's characteristic crossing lines.