onerous

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onerous

  • /ˈɒnəɹəs/ UK
  • /ˈəʊnəɹəs/ UK
  • /ˈɑnəɹəs/ US
  • /ˈoʊnəɹəs/ US

Where it comes from

Etymology tree

Proto-Indo-European *h₃en(H)-

Proto-Indo-European *-os

Proto-Indo-European *h₃én(H)os

Proto-Italic *onos

Latin onus

Proto-Indo-European *h₃ed-

Proto-Indo-European *-os

Proto-Indo-European *h₃édosder.?

Proto-Italic *-ŏ̄dsos?

Old Latin -ōssus

Latin -ōsus

Latin onerosuslbor.

Old French onereus

Middle French onereuxbor.

Middle English onerous

English onerous

Inherited from Middle English onerous, borrowed from Middle French onereux, from Old French onereus, a learned borrowing from Latin onerosus, from onus (“burden”) + -ōsus. Compare exonerate.

adjective more onerous · most onerous

  1. Imposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome. That all this might not be too onerous on the purses of his rustic patrons, who are apt to consider the costs of schooling a grievous burden, and schoolmasters as mere drones, he had various ways of rendering himself both useful and agreeable.

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