O deffro deffro gwisg dy nerth
O deffro deffro gwisga nerth

(Ar Ddechrau Oedfa)
O! deffro, deffro, gwisg dy nerth,
  O! brydferth fraich yr Arglwydd;
Fel yn y dyddiau gynt a fu,
  Amlyga d'alluogrwydd.

I ennyn ynom nefol dân,
  Duw, anfon dy Lân Ysbryd;
Aed gyda'th eiriau sanctaidd Di
  Nerth, a goleuni hefyd.

O! Arglwydd, dyro inni'n glau
  Y tywylltiadau nerthol
O weithrediadau'r Ysbryd Glân,
  A'u grym fel tân angerddol.
Duw, anfon dy Lân :: Bôed dylanwadau'th

John Hughes 1775-1854

Tonau [MS 8787]:
  Adelaide (J H Roberts 1848-1924)
  Arennig (Breigel 1687-?)
  Deemster (William Owen 1814-93)
  Degannwy (B Williams)
  Dymuniad (alaw Gymreig)
  Eidduned (J R Jones 1765-1822)
  Hafren (<1835)
  Llanidloes (J A Lloyd 1815-74)
  Oldenburg (J H Schein 1586-1630)
  Ramah (J D Jones 1827-70)
  Trallwm (J A Lloyd 1815-1874)

(At the Start of a Service)
O awake, awake, put on thy strength!
  O beautiful arm of the Lord;
As in the days that were formerly,
  Show thy might!

To ignite in us heavenly fire,
  God, send thy Holy Spirit;
Let him take thy holy words
  Of strength, and light also.

O Lord, give us swiftly
  The strong outpourings
Of the activities of the Holy Spirit,
  And their force like passionate fire.
God, send thy Holy :: May there be the influences of thy

tr. 2009 Richard B Gillion

The middle column is a literal translation of the Welsh. A Welsh translation is identified by the abbreviation 'cyf.' (emulation by 'efel.'), an English translation by 'tr.'

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