Word: deharden
Part of speech: Verb
Syllables: de
har
den
Definition: To make or become less hard (resistant to pressure).
Morphemes:
Affix: de-
Language: en
PoS: Prefix
Meaning: Intensifying; make more intense, stronger, or more marked; 
Etymology Compounds: Affix: dē-
Language: la
Decoded: de-
PoS: Prefix
Meaning: de-
Affix: hard
Language: en
PoS: Adjective
Meaning: Resistant to pressure.
Affix: -en
Language: en
Meaning: inchoative