költségbl
költségbl is a term that appears to be a misspelling or a fragmented word. Without further context, its meaning is unclear. It could be a phonetic representation of a word in a language other than English, or it could be a typo for a known term.
If "költségbl" is intended to be a word in Hungarian, "költség" means "cost" or "expense." The addition
Alternatively, "költségbl" might be a technical term from a specific field, such as finance, accounting, or project