Here is a worksheet on on the Greek word roots soph and sophy. They mean wise and wisdom. As you probably see, these are productive roots in English that yield words such as sophisticated, theosophy, sophistry (a good word, I would argue, for high school graduates to know in our intellectually benighted age) and, of course, philosophy.
In fact, philosophy is one of those exemplars of ancient Greek culture, containing both sophy and philo, which means love, attracted to, affinity for, and a natural liking. Philosophy, then, means “love of wisdom.”
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