"When he will cook, we will eat"

Translation: Atakapopika tutakula

[willynam]

What is the "-ka-" for in "Atakapopika"?

[quriousking]

When the relative particle of the verbs is used (in this case -po which means when), the -ka is added to the future tense marker -ta; therefore, the future tense maker becomes -taka...