From Wiktionary, the free dictionary
From acanthion + -al (“of or relating to”).[1]
acanthial (comparative more acanthial, superlative most acanthial)
- Of or belonging to the acanthion.
- ^ Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN)