τρέφω to thicken or congeal a liquid, γάλα θρέψαι to curdle it. Od.; τυρὸν τρέφειν Theocr.:—Pass., with intr. perf. act. τέτροφα, to become firm, περὶ χροῒ τέτροφεν ἄλκη Od. to make to grow or increase, to bring up, breed, rear, Hom., etc.; c. acc. cogn., τρ. τινὰ τροφήν τινα to bring up in a certain way, Hdt.:—Mid. to rear for oneself, Od., etc.:—Pass. to reared, grow up, Hom.; κάρτιστοι τράφεν ἄνδρες grew up the strongest men, Il.; ἐξ ὅτου ʼτράφην ἐγώ from the time when I left the nursery, Ar.; μιᾶς τρέφει πρὸς νυκτός, i. e. art a child of night, Soph. of slaves, horses, dogs and the like, to rear and keep them, Hom., etc.; τρ. παιδαγωγούς Aeschin.; τρ. γυναῖκα Eur.;—metaph., αἰγιαλὸν ἔνδον τρέφει he keeps quite a sea-beach in the house, Ar.:—Pass. to bred, reared, Soph. to let grow, cherish, foster, χαίτην τρέφε Il.; τρ. ὑπήνην Ar.; τρ. κόμην κομᾶν, Hdt.;—also, τάδʼ ὕεσσι τρέφει ἀλοιφήν this is what puts fat on swine, Od. of earth and sea, to produce, teem with, χθὼν τρέφει φάρμακα Od.; θάλασσα τρέφουσα πορφύραν Aesch. to have within oneself, to contain, keep, have, ὅ τι πόλις τέτροφεν ἄφιλον Soph.; τρέφειν τὴν γλῶσσαν ἡσυχωτέραν to keep his tongue more quiet, Soph.; νόσον τρ. Soph.; οἵας λατρείας τρέφει what services she constantly performs, Soph. maintain, support, τρ. Ἥλιος χθονὸς φύσιν Aesch.; τρ. τὸν πατέρα Aeschin.: esp. to maintain an army or navy, Thuc., Xen. aor2 act. in intr. sense, ἔτραφον pass. ἐτράφην, ὃς ἔτραφʼ ἄριστος Il.; τραφέμεν (Ionic for τραφεῖν) Hom. so perf. τέτροφα, v. supr. I.