Definition of laborous in English:

laborous

(also lawborous, labourous)

adjective

  • Laborious.

Origin

Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From Middle French laboureux difficult from labour + -eux. Compare Spanish laboroso.

Pronunciation

laborous

/ˈleɪb(ə)rəs/