Bost Up →
Based on the search results, "bo st up" appears to be a knit stitch abbreviation or a fragment of a knitting pattern, specifically a "Baby Knits from Around the World" pattern involving "BO" (Bind Off) and "st" (stitch) or "pick up" a stitch. "BO" (Bind Off) and "Pick Up" Guide
This sequence is often used for creating buttonholes or adding a border to a garment. bost up
Insert your needle into the edge of the sweater (often in the gap between stitches), wrap the yarn, and pull it through to create a new stitch. Based on the search results, "bo st up"
If you can share the rest of the line (e.g., "BO 2 sts, k3..."), I can tell you exactly what that row is supposed to do. Baby Knits From Around The World | PDF - Scribd If you can share the rest of the line (e