How the two meanings are connected: long(長）vs longing(渴望）？

In Chinese, they have such an un-related meaning, but in English, they come from same word long, how are the meaning extended in English from long(長) to longing(渴望)?

所有跟帖： 

• One explanation: they come from different sources -7grizzly- ♀ (784 bytes) () 10/23/2023 postreply 13:51:35

• Interesting, thanks! -方外居士- ♂ (0 bytes) () 10/23/2023 postreply 15:18:28

• Yes, they're from different origins. -CBA7- ♀ (0 bytes) () 10/23/2023 postreply 20:05:15