• Astel

    Origin

    Old English astelle piece of wood, Old French astele splinter, shaving, French attelle, astelle: compare Latin astula, diminutive of assis board.

    Full definition of astel

    Noun

    astel

    (plural astels)
    1. (mining) An arch or ceiling of boards placed above the workers' heads in a mine.
    © Wiktionary