Word: hearthstone
Part of speech: Noun
Syllables: hearth
stone
Definition: A soft kind of stone used to whiten doorsteps, scour floors, etc.
Morphemes:
Affix: hearth
Language: en
PoS: Noun
Meaning: A brick, stone or cement floor to a fireplace or oven.
Affix: stone
Language: en
PoS: Noun
Meaning: A dull light grey or beige, like that of some stones.