For-ðaボズワースとトラーラーのアングロ・サクソン古英語辞典 - for-ða古英語辞典によると:for-ðaad proptĕrea :-- Forða bletsode ðe God on écnysse proptĕrea benedixit te Deus in æternum, Ps. Spl. 44, 3. v. for-ðam; adv. forþa,for-ða関連語: For that cause, therefore;