Where does “callbook” come from?

callbook (English) comes from English call, from Middle English callen, from Old English ceallian, from Proto-West Germanic *kalʀōn, from Proto-Germanic kalzōną, from Proto-Germanic kalzaz, from Proto-Indo-European gols-, from Proto-Indo-European gels- — voice, cry; to call; voice, cry; to call.

callbook (English): A directory of radio station call signs

Definitions

  1. A directory of radio station call signs

Ancestry of “callbook”, step by step

callbook traces back through two separate lines of ancestry.

via English call

StepLanguageWordMeaning
1EnglishcallA telephone conversation; a phone call; An...
2Middle Englishcallento call
3Old Englishceallianto call; to cry out, shout
4Proto-West Germanic*kalʀōn
5Proto-Germanickalzōnąto call, shout
6Proto-Germanickalzaz
7Proto-Indo-Europeangols-
8Proto-Indo-Europeangels-voice, cry; to call; voice, cry; to call

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 gels-Every word from Proto-Indo-European gols-Every word from Proto-Germanic kalzaz