D defs.my
Entry 1 sense Webster, 1913

Tresayle

/(trĕs"āl`)/ · Tres·ayle · IPA
01 n. A grandfather's grandfather.
  1. 1.
    A grandfather's grandfather.[Obs.]
Phrases & compounds
Writ of tresayle — a writ which lay for a man claiming as heir to his grandfather's grandfather, to recover lands of which he had been deprived by an abatement happening on the ancestor's death.