Word: overlabour
Part of speech: Verb
Syllables: o
ver
la
bour
Definition: To labour upon excessively; to refine unduly.
Morphemes:
Affix: over-
Language: en
PoS: Prefix
Meaning: excessively
Affix: labour
Language: en
PoS: Verb
Meaning: To toil, to work.
Etymology Compounds: Affix: laborare
Language: la
Decoded: laborare
Meaning:  to labor, strive, exert oneself, suffer, be in distress, to work out, elaborate