What is the meaning of -ku?

first person singular oblique enclitic pronoun

1. as a possessive adjective

   as a possessive adjective

   as a direct or indirect object

   as an object of a preposition, with the exception for di, ke, and dalam

   Rōmaji transcription of く

   my

   our (first person plural exclusive)

   Used in contractions with particles of possession to mean me

   locative suffix (meaning "in") used after a consonant

   me (direct object of a verb)

   me (object of a preposition)

   me (indirect object of a verb)

   my (belonging to me)

   reflexive suffix: to or for oneself

   Form of -gi after the vowels O / U.

   Source: wiktionary.org