Almagest /alˈmə-jest/

1. A great treatise by the Alexandrian astronomer Ptolemy (c.150AD)
2. Extended to other great medieval works on astronomy, etc

• bath-towel
• bath-towels
• bathtub
• bathtubs
• bathy-
• bathyal
• bathybius
• bathybiuses
• bathygraphical
• bathylite
• bathylites
• bathylith
• bathylithic
• bathyliths
• bathylitic
• bathymeter
• bathymeters
• bathymetric
• bathymetrical
• bathymetries
• bathymetry
• bathyorographical
• bathypelagic
• bathyscape
• bathyscapes