eigen — meaning in English

English meaning

anal adj Relating to or involving the anus.
fastidious adj Extremely careful about small details, especially cleanliness and order; hard to please.
fussy adjective Overly concerned with small details; hard to satisfy.
innate adj Present from birth; natural rather than learned.
own adj Belonging to a particular person; used to stress possession.
particular adj Specific; referring to one particular thing rather than things in general.
pernickety adj (informal) Very particular about small details, often more than necessary.
proper adj Right, fitting, or appropriate for a given purpose or situation.

eigen is used for these senses in English:

anal (psychology, also vulgar informal) Of a person, compulsive and stubborn, obsessed with neatness and accuracy (usually in an egosyntonic way), supposedly from not having progressed beyond the anal stage. [from Template:SAFESUBST: c.]
fastidious Difficult to please; quick to find fault.
in one's own right As a consequence of one's own skill, qualification or status, rather than that of another.
own Belonging to; possessed; acquired; proper to; property of; titled to; held in one's name; under/using the name of. Often marks a possessive determiner as reflexive, referring back to the subject of the clause or sentence.
particular (comparable) Of a person, concerned with, or attentive to, details; fastidious.
particular Concerned with, or attentive to, details; minute; circumstantial; precise.
proper Belonging to oneself or itself; own. [14th c.]

adj Relating to or involving the anus.
adj Excessively focused on neatness, order, or small details; fussy and controlling (informal, short for "anal-retentive").

adj Extremely careful about small details, especially cleanliness and order; hard to please.
adj (biology) Needing very specific conditions or nutrients to grow, and therefore difficult to culture.