ærce-diācon

ærce-diācon, m.n: an archdeacon. (AER-cheh-DIH-ah-kon / ˈæɹ-t͡ʃɛ-ˌdɪ-aː-kɔn)

Thomas Becket, from Alan of Tewkesbury’s compilation of his letters. SE England (Cirencester?), 4th quarter of 12th century. British Library, Cotton MS Claudius B II, f. 341r. [bl.uk]