TN Lev22:18 :כל נסיבתהון די יקרבון לשמה"קודם" {יקרבון לשמה} דייי לעלה‏ : all their free-will offerings which they offered to the name of the Lord for a burnt offering
See the entire entry for nəsīḇā, nəsīḇtā n.f. free-will offering