adverb
outstandingly; extraordinarily; exceptionally
Archaic adverb meaning 'remarkably' or 'unusually'. Found in classical Japanese texts; not used in modern conversation.
古典では「けに美しい」のように用いられた。
In classical literature it was used like 'けに美しい' (remarkably beautiful).
Archaic adverb derived from classical Japanese. The exact derivation is uncertain; it may be related to the stem of the adjective 異 (け) meaning 'different' or 'strange', with the adverbial particle に.