bisaïeul

Inherited from Middle French besael, besaieul, besayel, besayeul, bisayeul, bysayeul. By surface analysis, bis- +‎ aïeul (“grandfather”).

• IPA^(key): /bi.za.jœl/

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bisaïeul m (plural bisaïeux or bisaïeuls, feminine bisaïeule)

1. great-grandparent; great-grandfather

• (great-grandparent): arrière-grand-parent
• (great-grandfather): arrière-grand-père

• “bisaïeul”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.