明
さ
や
Meanings
1
archaic
Archaic adverb meaning 'clearly' or 'brightly'. Not used in modern Japanese; found only in classical texts.
In classical literature, it was used as in 'the moon shines brightly'.
2
archaic
Archaic adverb meaning 'cleanly' or 'purely'. Also restricted to classical usage.
There is an old expression like 'a purely clean heart'.