Love is αγάπη (agape) and wisdom is σοφία (Sophia).
Philo - love, Sophia - wisdom
Hence philosophy is the love of wisdom.
Dale - A low place between hills; a vale or valley Linguistically, the name is English and means 'valley'. It's also a found in placenames such as Borrowdale (in Cumbria).
ugly and sad
It is Irish. 'Corcra' means purple.