As a noun erf
is inheritance; patrimony.
As an adjective derf is
strong; powerful; fierce.
erf
English
Etymology 1
From (etyl) erfe, erve, from (etyl) yrfe, . Related to (l).
Noun
(
en noun)
Inheritance; patrimony.
(by extension) Stock; cattle.
Derived terms
* (l)
Etymology 2
From (etyl) , related to (etyl) erf above.
Noun
(en-noun)
A small inherited house-and-garden lot in a village or settlement.
Etymology 3
Abbreviation.
Noun
(math) error function
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