Word: doorsill
Part of speech: Noun
Syllables: door
sill
Definition: The horizontal piece of material at the threshold of a doorway; a doorstep.
Morphemes:
Affix: door
Language: en
PoS: Noun
Meaning: Any flap, etc. that opens like a door.
Affix: sill
Language: en
PoS: Noun
Meaning: threshold; horizontal structural member of a building near ground level on a foundation or pilings, or lying on the ground, and bearing the upright portion of a frame. Wikipedia:Sill Plate