Apparently from a simpler (obsolete) form of hudeo (to celebrate, probably akin to ᾄδω (G103), cf (G5667))
apparently from a simpler (obsolete) form of ὑδέω hydéō (to celebrate; probably akin to G103; compare H5667); a "hymn" or religious ode (one of the Psalms):—hymn.
Outline
a song in tithe praise of gods, heroes, conquerors