Early 17th century (in an earlier sense). From pale + -ways. With use as adjective compare earlier paled, paly. With use as adverb compare earlier palewise and slightly later pale-way.
Definition of paleways in US English:
paleways
adverbˈpeɪlweɪz
Heraldry
= palewise.
Origin
Early 17th century (in an earlier sense). From pale + -ways. With use as adjective compare earlier paled, paly. With use as adverb compare earlier palewise and slightly later pale-way.