Meal. Cf. ʻaina ahiahi, ʻaina awakea, ʻaina kakahiaka, and ʻai, to eat. [PNP kainga]
hale ʻaina restaurant
Is 'aina an exception to the KEAO rule or does the okina make a difference?
The okina does count as a letter, so you should usually see ka before a word that starts with one.