Where does “[[ara]], [[hara]], [[hāra]], [[āhāra]]” come from?
[[ara]], [[hara]], [[hāra]], [[āhāra]] (Old Javanese) comes from Sanskrit आहार, from Sanskrit आहृ, from Sanskrit हृ, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.
Ancestry of “[[ara]], [[hara]], [[hāra]], [[āhāra]]”, step by step