clearness

obsolete uncountable usually

(obsolete) Brightness, brilliancy. / Mental or sensory distinctness; clarity of understanding, perception etc. / The state of being free from obscurities or opacity; distinctness of light, colour etc.

Japanese Meaning

（古い意味としての）明るさ、輝き。 / 精神的または感覚的な面での鮮明さ、はっきりとした理解や知覚の状態。 / 曖昧さや不透明さがなく、光や色が際立っている状態、明瞭さ。

What is this buttons?

In his poem, the author celebrated the clearness of dawn, using an archaic sense that meant bright radiance.

Google Translation / DeepL Translation

詩の中で作者は夜明けの輝きを称え、その語は古語で明るさを意味していた。

Details

Sense（1）

(obsolete) Brightness, brilliancy.

Thenne sayd he Fair swete fader Ihesu Cryst yf euer I dyd thyng that pleasyd the lord / for thy pyte ne haue me not in despyte for my synnes done afore tyme / and that thou shewe me some thynge of that I seke / And with that he sawe the chamber dore open and there came oute a grete clerenes / that the hows was as bryghte as all torches of the world had ben there

Google Translation / DeepL Translation