köken: Etymology tree Esperanto kultivi Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -ablebor. ▲ Latin -bilis Latin -ibilis Old French -ibleder. Middle English -ible English -iblebor. ▲ Old French -able Middle French -able French -ablebor. ▲ Old French -ible French -iblebor. ▲ Latin -ābilis Old…
In the modern sense (18th century) via Low German from Middle Low German *ōrbār (in ōrbārheit), Middle Dutch ōrbare (“fruitful”), derived from the noun ōrbār, from Old Saxon ur- + beran (“to bear”), cognate of modern German Urbar (“urbarium”, originally “yield, benefit, fee”), which see for more. An unrelated derivation from the same noun was Upper German urbor (“liable to taxation”).