In the manner of a valley; downward or toward a valley; historically used in geographical or poetic contexts.
From 'con-' (together, with) plus 'valley' (from Old French 'valée', from Latin 'vallis' meaning valley), with '-ally' adverbial suffix.
This is an archaic poetic word you'll find in medieval literature describing how water or paths move 'convally'—toward the valley—creating beautiful imagery of natural geography!
Complete word intelligence in one call. Free tier — 50 lookups/day.