rain, rainfall / a rainy weather / (figuratively) something falling like rain

spring (season)

一雨: a single rainfall; a single brief rain shower

a single rainfall / a single brief rain shower

一玄: a male given name / 和春: a male given name

一人, 一仁, 和人, 和史, 数人: a male given name

天の下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

天が下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

threatening sky, signs of rain, looking like rain / rainy weather

a male given name