←
Lithuanian skilù (cognate)
←
Old Armenian ցելում (cognate)
→
English shale (cognate)
→
Bulgarian скала (cognate)
→
Ancient Greek σκέλος (mention)
→
Ancient Greek σκόλοψ (mention)
→
Ancient Greek σκάλμη (mention)
→
Ancient Greek σκάλοψ (mention)
→
Ancient Greek σκαλίς (affix)
→
Albanian shkal (cognate)
→
Old Armenian ցելում (cognate)