FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

trepho τρέφω — tref'-o — a primary verb (properly, threpho; but perhaps strengthened from the base of 5157 through the idea of convolution); properly, to stiffen, i.e. fatten (by implication, to cherish (with food, etc.), pamper, rear):--bring up, feed, nourish.

see GREEK for 5157