Radical 125
Radical 125 or radical old meaning "" is one of the 29 Kangxi radicals composed of 6 strokes.
In the Kangxi Dictionary, there are 22 characters to be found under this radical.
老 is also the 123rd indexing component in the Table of Indexing [Chinese Character Components] predominantly adopted by Simplified Chinese dictionaries published in mainland China, with being its associated indexing component.