Definition of great-grandsire in English:

great-grandsire

noun

  • 1Great-grandfather. Now archaic and historical.

  • 2The sire of the grandsire of an animal, especially a horse or dog.

Origin

Mid 16th century; earliest use found in Miles Coverdale (1488–1569), Bible translator and bishop of Exeter. From great + grandsire.

Pronunciation

great-grandsire

/ˌɡreɪtˈɡran(d)sʌɪə/