away from home; while travelling
A poetic or literary set phrase evoking the feeling of being on a journey, often with a sense of transience or loneliness. Used in classical and modern literary contexts.
I think of my hometown from the road.
He composed many poems under the skies of his travels.
A set phrase composed of 旅 (travel) + の (possessive particle) + 空 (sky). The exact origin is uncertain, but it appears in classical Japanese poetry and literature to evoke the vast, changing sky seen while traveling, symbolizing the traveler's transient state.