most fine, pure golden wedge

From katham; properly, something carved out, i.e. Ore; hence, gold (pure as originally mined) -- ((most) fine, pure) gold(-en wedge).

see HEBREW katham

בְּכֶ֣תֶם בְּכֶ֥תֶם בכתם הַכֶּ֣תֶם הכתם וְ֝לַכֶּ֗תֶם ולכתם כֶּ֣תֶם כָ֑תֶם כתם מִכֶּ֥תֶם מכתם bə·ḵe·ṯem beChetem bəḵeṯem Chatem hak·ke·ṯem hakKetem hakkeṯem ḵā·ṯem ḵāṯem ke·ṯem Ketem keṯem mik·ke·ṯem mikKetem mikkeṯem velakKetem wə·lak·ke·ṯem wəlakkeṯemInterlinear Greek • Interlinear Hebrew • Strong's Numbers • Englishman's Greek Concordance • Englishman's Hebrew Concordance • Parallel Texts