In Gaelic Ireland, between the 5th and 9th centuries AD, a dairthech [1] (literally "oak-house") was a type of oratory or church built of oak-wood. [2]
The dairthech was the earliest kind of church built in Ireland, from the earliest Christian times (5th century AD) onward. They were gradually replaced by stone churches.[ citation needed ]
A typical dairthech was rectangular, measuring 4.5 m (15 ft) by 3 m (9.8 ft). [2] Some were wider up to 4.5 m (15 ft), and congregations of 150–260 people are recorded. [3] It had a high pointed gable. [4] Oak was used as a building material as a holdover from Celtic religion, where the oak was imbued with magical powers. [5]
Little is known about the internal structure of the dairthech, although descriptions of the murder of Echtigern in Kildare in AD 760 offer a few hints, mentioning a chancel-screen (Old Irish: cróchaingel) and altar (altóir). Cogitosus describes painted partitions dividing clergy from laity and women from men. [6]
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