がてら
ga tera

Suffix

1. while; on the same occasion; at the same time; along with

そうだ、どうせなら散歩 さんぽがてらに、林道 りんどう ってプチ森林 しんりん よくでも・・・。
sōda dōsenara sampoga terani rindōni itte puchishinrin'yokudemo....
Right, while we're taking a walk anyway, we could like go along the woodland path and enjoy a little stroll through the forest...