noun, noun or participle which takes 'suru'
long walk; walking a long distance
Rare term for walking a long distance; more common alternatives include 長距離歩行 or simply 長い距離を歩く.
長歩きの後は足が痛くなった。
My feet hurt after the long walk.
More common and formal term for long-distance walking, often used in sports or medical contexts.
Compound of 長 (naga, 'long') and 歩き (aruki, 'walking'). The exact historical derivation is uncertain, but it follows a common pattern for forming nouns from adjective stems and verb continuative forms.