ἱππιατρικός
From LSJ
λύπης ἰατρός ἐστιν ἀνθρώποις λόγος → for men reason cures grief, for men reason is a healer of grief, a physician for grief is to people a word, pain's healer is a word to man, logos is a healer of man's anguish, talking through one's grief is therapeutic
English (LSJ)
ή, όν, of or for farriery; ἱππιατρικόν, τό, a work on farriery, Suid. s.v. Χείρων; ἱππιατρικά, τά, title of extant compilation; also ἱππιατρικόν, τό, tax on farriers, PHib. 1.45.21 (iii BC).