from The Century Dictionary.
- noun One who is learned in the halachah (which see).
Sorry, no etymologies found.
Many rabbis, including such luminaries as Rashi (11th-century France), and the halachist/mystic Eleazer of Worms (12th - to 13th-century Germany) rejected it, leaving room for others, most noticeably a radical shift that pictured the evil child as a universal type, not just a variant version of internal Jewish identity-formation.
He says he's writing this, not as a halachist but as a Jewish philosopher … It's not within the realm of halacha. "