Where does “bookmate” come from?

Bookmate comes from English book and mate, where book derives from Middle English booke, Old English bōc, Proto-Germanic būkaz, ultimately from Proto-Indo-European bʰeh₂ǵos meaning beech tree.

bookmate (English): A schoolfellow; an associate in studying

Definitions

  1. A schoolfellow; an associate in studying

Ancestry of “bookmate”, step by step

bookmate traces back through two separate lines of ancestry.

via English maté

StepLanguageWordMeaning
1EnglishmatéAn evergreen tree, Ilex paraquariensis, native to...
2Middle Englishmatemate companion, comrade
3Middle Low Germanmāte
4Old Saxongimato
5Proto-Germanicgamatjô
6Proto-Germanicga-Indicates association or togetherness; co-;...
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English Book

StepLanguageWordMeaning
1EnglishBookthe Bible
2Germanbūchbook collection of sheets of paper bound together to hinge at one edge; long work fit for publication
3Middle High Germanbuoch
4Old High Germanbuohbook
5Proto-Germanicbōk
6Proto-Germanicbakanąto bake
7Proto-Indo-Europeanbʰeh₃g-to bake, to roast, to fry
Every word from Proto-Indo-European gū-