Word: precarious
Part of speech: Adjective
Syllables: pre
car
i
ous
Definition: Relating to incipient caries; soft decayed area in a tooth; progressive decay can lead to the death of a tooth
Morphemes:
Affix: pre-
Language: en
PoS: Prefix
Meaning: Before; physically in front of; anterior.
Etymology Compounds: Affix: prae-
Language: la
Decoded: prae-
PoS: Prefix
Meaning: before; in front
Affix: carious
Language: en
PoS: Adjective
Meaning: Having caries (bone or tooth decay); decayed, rotten.
Etymology Compounds: Affix: carie
Language: fr
Decoded: carie
Meaning: decay 
Affix: -eux
Language: fr
Decoded: -eux
Meaning: -ous