# logbook

> English word · Noun · IPA /ˈlɑɡ.bʊk/ · frequency rank #53,072

## Definitions
1. A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.
2. A book in which events are recorded; a journal, especially of travel.
3. A record of the ownership, and licensing of a motor car.

## Etymology
Etymology tree
Proto-Indo-European *legʰ-
Proto-Indo-European *-yeti
Proto-Indo-European *légʰyeti
Proto-Germanic *ligjaną
Old Norse liggjader.?
Middle English logge
English log
Proto-Indo-European *bʰeh₂ǵosder.?
Proto-Indo-European *bʰeh₂g-der.?
Proto-Germanic *bōks
Proto-West Germanic *bōk
Old English bōc
Middle English bok
English book
English logbook
Compound of log + book, originally a record of a ship’s speed and progress, from a wooden float (chip log, or simply log) used to measure speed. First attested in the 1670s.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/logbook