grot
noun
[ ɡrɒt ]
• something unpleasant, dirty, or of poor quality.
• "they watch endless grot on telly"
Origin:
1960s: back-formation from grotty.
grot
noun
• a grotto.
Origin:
early 16th century: from French grotte, from Italian grotta, via Latin from Greek kruptē ‘vault, crypt’.
