broch¹, also brogh or brough /brohh/

1. A dry-built circular tower of the late Iron Age with galleries in the thickness of the wall, common in Scotland, very rare elsewhere
2. A luminous ring around the moon

• time-beguiling
• time-bettering
• time-bewasted
• time bill
• time bills
• time bomb
• time bombs
• time capsule
• to be sure
• tobies
• Tobin tax
• Tobit
• to bits
• to blazes
• toboggan
• tobogganed
• tobogganer
• tobogganers
• tobogganing
• tobogganings
• tobogganist
• tobogganists
• toboggans
• toboggin
• to boot