STEP Liddell–Scott–Jones: γαββαθά

Γαββαθα (Rec. -θᾶ), ἡ, indecl.,

Gabbatha, the Greek transliteration of an uncertain Aramaic word (DB, see word; Dalman, Words, 7), used as the equivalent of λιθόστρωτον, stone pavement: Jhn.19:13.†

(From Abbott-Smith. LSJ has no entry)