'Changes' in the Bible

And Samson saith to them, 'Let me, I pray you, put forth to you a riddle; if ye certainly declare it to me in the seven days of the banquet, and have found it out, then I have given to you thirty linen shirts, and thirty changes of garments;

and if ye are not able to declare it to me, then ye have given to me thirty linen shirts, and thirty changes of garments.' And they say to him, 'Put forth thy riddle, and we hear it!'

And the Spirit of Jehovah prospereth over him, and he goeth down to Ashkelon, and smiteth of them thirty men, and taketh their armour, and giveth the changes to those declaring the riddle; and his anger burneth, and he goeth up to the house of his father;