noun
oxygen supply
Technical and general term for the provision of oxygen, used in medical, industrial, and biological contexts.
病院では酸素供給が不可欠です。
Oxygen supply is essential in hospitals.
この装置は酸素供給を自動で調整します。
This device automatically regulates the oxygen supply.
Compound of 酸素 (oxygen) and 供給 (supply). The exact historical derivation is straightforward from the constituent parts.