Where does “pine” come from?

pine (Middle English) comes from Old English pīn, from Latin pīnus, from Proto-Indo-European poi- — sap, juice.

Ancestry of “pine”, step by step

StepLanguageWordMeaning
1Old Englishpīnpain
2Latinpīnuspine tree, fir tree
3Proto-Indo-Europeanpoi-sap, juice
Every word from Proto-Indo-European poi- →Every word from Latin pīnus →Every word from Old English pīn →