けり

けり

1. 1

   indicates recollection or realization (i.e. of hearsay or the past); can form a poetic past tense

   助動詞archaic
2. 2

   indicates continuation from the past to the present

   助動詞archaic
3. 3

   end; conclusion

   名詞from the use of the aux. at the end of waka, also written with the ateji 鳧