Pytheas

Pytheas, a celebrated Greek navigator of Massilia, in Gaul, probably lived in the time of Alexander the Great; in his first voyage visited Britain and Thule, and in his second coasted along the western shore of Europe from Cadiz to the Elbe.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Pythagoreans * Pythian Games
Pyrenees
Pyroxyline
Pyrrha
Pyrrhic Dance
Pyrrho
Pyrrhonism
Pyrrhus
Pyrrhus
Pythagoras
Pythagoreans
Pytheas
Pythian Games
Python
Pythoness
Pyx
Quadragesima
Quadrant
Quadratic Equation
Quadriga
Quadrilateral, The
Quadroon