Petrel, a sea-bird; from Peter, who is said to have walked upon the waters.
Philippic, a speech full of strongly passionate language; from Philip, king of Macedon, against whom Demosthenes delivered some fiery speeches of this kind.
Saturday, from Sæter, one of the old Saxon gods.
Saturnine, grave, severe; from Saturn, the father of the Roman gods.
Stentorian, very loud; from Stentor, the name of a Greek herald, who is mentioned by Homer, and who had a very loud voice.
Tantalise, from Tantalus, who is said to have been always thirsty and up to his chin in water, which went out of his reach whenever he tried to drink.
Thursday, from Thor, the Saxon god of thunder.
Tuesday, from Tiew, the Saxon god of war.
Wednesday, the day of Woden or Odin, the Saxon god of war. The es is the old possessive form.