The word-based description for the given pattern "š²š³š²š³š² š³š²š³š²š³ š²š³āš³š² š³š²š³š²š³ š²š³š²š³š²" related to "quincunx" is as follows:
A quincunx pattern featuring alternating squares and crosses arranged in a diagonal formation, with a central cross surrounded by four squares.