incidentally; at the same time; while I'm at it
Used to add a secondary purpose or action to a main one, often in formal or written contexts. Similar to 'ついでに' but more literary.
I dropped by the post office while taking a walk.
ご挨拶かたがた、新製品のご案内を申し上げます。
While I'm here to greet you, I'd also like to introduce our new product.
旁々 is a formal, written expression for doing something on the occasion of another act (e.g. in letters), whereas ついでに is the everyday, spoken equivalent.
while taking a walk; on a walk
Rare kanji form; mainly encountered in older or formal writing.
Rare kanji form with iteration mark; mainly encountered in older or formal writing.
Rare kanji form without iteration mark; mainly encountered in older or formal writing.
Irregular kanji usage; included for searchability but not recommended for writing.
Derived from the noun 方 (かた, 'side, direction') reduplicated, with the sense of 'on the side' or 'incidentally'. The kanji 旁 means 'side' or 'beside'.