• degree of aeration or air space ratio

वातन:    aeration airing

कोटि:    category ordinate order rate grade degree rank

या:    OR either whether

वायु:    air gas Vayu weather wind ether land wind land

वायु अवकाश अनुपात:    air space ratio वायु air gas Vayu weather

अवकाश:    adjournment break pause reprieve respite vacancy

अनुपात:    gradient proponent scale rate quotient percentage