Where does “ʼārāma” come from?

ʼārāma (Old Khmer) comes from Pali ārāma, from Sanskrit आराम, from Sanskrit रम्, from Sanskrit -अनीय, from Sanskrit -ईय, from Proto-Indo-Iranian *-iHyas.

Ancestry of “ʼārāma”, step by step

StepLanguageWordMeaning
1Paliārāmapleasure; park; monastery
2Sanskritआरामsensual pleasure, delight, bliss; a place of...
3Sanskritरम्enjoy, delight; stay, rest
4Sanskrit-अनीयable
5Sanskrit-ईयrelated to
6Proto-Indo-Iranian*-iHyas—
Every word from Proto-Indo-Iranian *-iHyas →Every word from Sanskrit -अनीय →Every word from Sanskrit रम् →