English
excavatable
From excavate + -able.
Formed from excavate + -able
Proto-Italic *kawos
Latin cavus
Latin cavō ‘to make hollow, hollow out, excavate’
Latin excavō ‘to hollow out’
Latin excavātus ‘hollowed out’
English excavate
Today it means
adj Capable of being excavated.
Language periods are conventional ranges, not dates for this word.
Etymograph / excavatable