myEtymology.com: Greek etymology of philosophia

Etymology of the Greek word philosophia (φιλοσοφία)

the Greek word philosophia, φιλοσοφία ('philosophy'; Jewish sophistry)

derived from the Greek word philosophos, φιλόσοφος (fond of wise things; a 'philosopher')

using the Greek prefix philo-, ϕιλο-

derived from the Late Greek word sophia, σοφία (wisdom (higher or lower, worldly or spiritual))

derived from the Late Greek word sophos, σοφός (wise (in a most general application))