Irfa

根据古英语词典：

an;

irfa

m. An heir :-- Ðet hé ðis wel healde his dei and siððan forð bebeóde his erbum tó healdenne, C. D. i. 297, 5. [Goth. arbja : 0. H. Ger. arbio, erbo haeres.] irfa