Possible Clues:

• Usual gender of inanimate objects
• Of neither masculine nor feminine gender
• It is neither him nor her - more of an amphibian, by the sound of it
• De-sex
• Like the German "das"
• It's an it, by the sound of it, only more so in water
• What it is is more amphibious-sounding
• It sounds as if it is comparatively aquatic, perhaps
• Neither he nor she could retune like this
• It is never about you, tea