The first stone.
primera is first
Nancy Alonso has written: 'Tirar la primera piedra'
First (In the feminine form)
Piedra
Translation: piedra
"Piedra", but this surname is not common in Spanish.
primera in English means first.
stone = la piedra
The 1945 Spanish La Liga Primera Division (LLPD) were Sevilla FC.
Real Madrid were the Spanish La Liga Primera Division (LLPD) in 1961.
Piedra : Stone, closer to 'rock'.
una piedra preciosa, una joya