Word: labourously
Part of speech: Adverb
Syllables: la
bou
rous
ly
Definition: rare spelling of laboriously; in a laborious manner
Morphemes:
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
Affix: -ous
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns, to denote possession or presence of a quality in any degree, commonly in abundance.
Etymology Compounds: Affix: -ōsus
Language: la
Decoded: -osus
Meaning: full, full of
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adverbs from adjectives.