investigation (to determine the cause of something)
meadow, original, primitive, field, plain, prairie, tundra, wilderness
ゲン / はら
cause, factor, be associated with, depend on, be limited to
イン / よ.る
tune, tone, meter, key (music), writing style, prepare, exorcise, investigate, harmonize, mediate
チョウ / しら.べる
investigate
サ / —