'Iichach "my thoughts" or "what I think", from iichaa (yuuchaap) "thinks, remembers", plus -vu definite article/object suffix.
Literally translates to, "My thoughts are...", "What I think is...", or "As for my thoughts..."
Follow with an indicative sentence describing what the thoughts are.
Can be said in isolation, meaning, "I think so, maybe, I hope so."
Can be shortened to 'iichach.