growing (adj.) Look up growing at Dictionary.com
Old English, present participle adjective from grow (v.). Growing season is attested from 1729; growing pains by 1752.
growing (n.) Look up growing at Dictionary.com
late 14c., "a gradual increase, action of causing to increase," verbal noun from grow (v.). Meaning "that which has grown, a crop" is from 1540s. Dialectal growsome "tending to make things grow" is from 1570s.