Word: backfill
Part of speech: Verb
Syllables: back
fill
Definition: To refill an excavation unit to restore the former ground surface and/or to preserve the unit and make it recognizable as having been excavated.
Morphemes:
Affix: back
Language: en
PoS: Verb
Meaning: To make a back for; to furnish with a back.
Affix: fill
Language: en
PoS: Noun
Meaning: Soil and/or human-created debris discovered within a cavity or cut in the layers and exposed by excavation; fill soil.