Origin of onerous
Examples from the Web for onerosity
Then the gratuitous and the common have gained all that onerosity and property have lost.
Property, Community, are two ideas correlative to the ideas of onerosity and gratuitousness, on which they are founded.
Word Origin for onerous
late 14c., from Old French onereus, honereus (14c., Modern French onéreux) and directly from Latin onerosus, from onus (genitive oneris) "burden" (see onus).