The Collaborative International Dictionary of English v.0.48:
Telharmony \Tel*har"mo*ny\ [?]), at a distant point or points by
means of alternating currents of electricity controlled by an
operator who plays on a keyboard. The music is produced by a
receiving instrument similar or analogous to the telephone,
but not held to the ear. The pitch corresponds with frequency
of alternation of current.
[Webster 1913 Suppl.] Telic \Tel"ic\, a. [Gr. ?, from ? the
Denoting the final end or purpose, as distinguished from
ecbatic. See Ecbatic. --Gibbs.