from the GNU version of the Collaborative International Dictionary of English
- adv. After the manner of the Hebrews or of the Hebrew language.
from The Century Dictionary and Cyclopedia
- After the manner of the Hebrews or the Hebrew language: as, to write Hebraically (that is, to write from right to left).
Sorry, no etymologies found.
And to this is nearly related that other modern device of consulting indexes, which is to read books hebraically, 4 and begin where others usually end; and this is a compendious way of coming to an acquaintance with authors.