ἔνηχος
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ον,
A sounding within, of wind-instruments, opp. ἔγχορδος, Phillis ap.Ath.14.636c: generally, sounding, noisy, ἀναπνοή Herod. Med. in Rh.Mus.58.77; ἔ. ὕδατα Philostr.VA6.26. II c. gen., acquainted, conversant with, LXXSi.prol.9 (s.v.l.).