φιλοσοφία
Alt. φι^λοσοφία, ἡ,
1. "love of knowledge and wisdom, pursuit thereof, speculation, study", Plat., etc.
2. "the systematic treatment" of a subject, "investigation", Isocr.
3. "philosophy, the investigation" of truth and nature, Plat., etc.
Etym. from φι^λόσοφος