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efficacy

Φιλοκαλοῦμέν τε γὰρ μετ' εὐτελείας καὶ φιλοσοφοῦμεν ἄνευ μαλακίας -> Our love of what is beautiful does not lead to extravagance; our love of the things of the mind does not makes us soft.
Τhucydides, 2.40.1

English > Greek (Woodhouse)

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subs.

P. and V. δύναμις, ἡ. Of drugs, etc.: V. δύνασις, ἡ, ἰσχύς, ἡ.