absinthian
/abˈsɪnθɪən/ /əbˈsɪnθɪən/rare. Chiefly literary
adjective
Of, relating to, or suggestive of wormwood; bitter, harsh. In later use also: of or relating to absinthe and its properties (especially its yellow-green colour).
Origin
Mid 17th century; earliest use found in Thomas Randolph (d. 1635), poet and playwright. From classical Latin absinthium absinthium + -an.