Possible Clues:

• If she is to get her own back in Scotland, that will mean a rupture
• Rupture, organ protrusion in wall or abdomen
• The goddess was quite a swell around Ulster
• Rupture in muscle tissue through which a structure protrudes
• Protrusion of organ through abdomen, rupture
• That shows the weakness of her getting her own back in Scotland
• Rupture in muscle tissue
• What happens at the weak point when she gets her own back in Scotland
• It's swell when she gets her own back in Scotland
• Where there's a weakness she may get her own back in Scotland