There is

  a

Determinador

  proven

Verbo

  Basque

Adxectivo

  substrate

Substantivo

  in

Adposición

  the

Determinador

  development

Substantivo

  of

Adposición

  Gascon

Substantivo propio

.

There is a proven Basque substrate in the development of Gascon.

There is a proven Basque substrate in the development of Gascon.