What is "specificker"

Etymology 1 alt. (context history of homeopathy originally pejorative obsolete English) A (l/en homeopathy homoeopathic) practitioner who sought to ascertain the (l/en aetiology aetiologies) of diseases, focusing on the (l/en symptom symptoms) most regularly associated with their (l/en: diagnosis) (to the exclusion of (l/en: peripheral) and occasional symptoms), and who, for their treatment, selected (l/en remedy remedies) (administered in more-or-less (l/en dilute undiluted) form) on the basis of their general (l/en: physiological) effects, ignoring (l/en: incidental) and (l/en side-effect side-effects). (mid- to late-19^th C., common in the 1860s) n. (context history of homeopathy originally pejorative obsolete English) A (l/en homeopathy homoeopathic) practitioner who sought to ascertain the (l/en aetiology aetiologies) of diseases, focusing on the (l/en symptom symptoms) most regularly associated with their (l/en: diagnosis) (to the exclusion of (l/en: peripheral) and occasional symptoms), and who, for their treatment, selected (l/en remedy remedies) (administered in more-or-less (l/en dilute undiluted) form) on the basis of their general (l/en: physiological) effects, ignoring (l/en: incidental) and (l/en side-effect side-effects). (mid- to late-19^th C., common in the 1860s) Etymology 2

a. (context nonstandard rare English) (en-comparative of: specific)