Where does “tenebrously” come from?
tenebrously (English) comes from English tenebrous, from Middle English tenebrose, from Anglo-Norman tenebrous, from Latin tenebrōsus, from Latin tenebrae, from Proto-Italic temazros, from Proto-Indo-European temH-(e)s-ro-, from Proto-Indo-European temH- — dark.
tenebrously (English): In a tenebrous way
Ancestry of “tenebrously”, step by step