閃せん々せん

taru-adjective, adverb taking the 'to' particle

sparkling; glittering

Obsolete literary word describing a sparkling or glittering appearance, used as a taru-adjective or adverb with と.

• 古ふるい詩しに「星ほしが閃せん々せんと輝かがやく」とある。

  An old poem says, 'The stars sparkle brightly.'

taru-adjective, adverb taking the 'to' particle

fluttering; flickering

Obsolete literary word for a fluttering or flickering motion, such as a flag or flame. Also a taru-adjective or adverb with と.

• 古ふるい文ぶん章しょうで「旗はたが閃せん々せんと翻ひるがえる」と表ひょう現げんされることがある。

  In old writing, it is sometimes expressed as 'the flag flutters flickeringly.'