expression
as ...; since ...; because ...
Archaic epistolary expression used in classical Japanese letters to introduce a reason or circumstance, similar to modern ので or から. Not used in contemporary Japanese outside of historical or literary contexts.
「候間、何卒よしなに」は、昔の手紙でよく使われた結びの言葉だ。
「候間、何卒よしなに」 is a closing phrase often used in old letters.