Where does “sebesten plum” come from?

sebesten plum (English) comes from English plum, from Middle English plomme, from Middle English plumtre, from Old English plumtreow, from Old English trēow, from Proto-West Germanic treu, from Proto-Germanic trewą, from English doru — hard, firm, strong, solid; hard, fast; tree.

Ancestry of “sebesten plum”, step by step

sebesten plum traces back through two separate lines of ancestry.

via English plum

StepLanguageWordMeaning
1Englishplum"The fruit and its tree."; "Extended senses."; Of...
2Middle Englishplommeplum; plum tree
3Middle EnglishplumtreA plum tree or a similar tree
4Old Englishplumtreowplum tree
5Old Englishtrēowtree, wood, timber, beam, log, stake, stick,...
6Proto-West Germanictreutree; wood
7Proto-Germanictrewątree
8EnglishdoruAlternative form of dory
9Ancient Greekδόρυwood, tree, stem; spear shaft, spear, lance,...
10Proto-Hellenicdórutree
11Proto-Indo-Europeandórutree
12Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

via English sebesten

StepLanguageWordMeaning
1EnglishsebestenA medium-sized deciduous tree of species Cordia...
2Medieval Latinsebesten
3Arabicسِبِسْتَان
4Persianسگ‌پستان
5Persianپستانbreast
6Middle Persianpystʾn'
7Proto-Indo-Europeanpstḗnbreast, teat
8Proto-Indo-Europeanph₂ǵ-sth₂-ḗn
9Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European drew-