Where does “seakeeping” come from?

seakeeping (English) comes from English sea, from Middle English see, from Old English sǣ, from Proto-West Germanic saiwi, from Proto-Germanic saiwiz, from Proto-Germanic sīhwaną, from Proto-Indo-European seykʷ-, from Proto-Indo-European sey- — to be wet; dribble; run; to stretch one's arm;...

seakeeping (English): Effective operation of a ship at sea; remaining...

Definitions

  1. Effective operation of a ship at sea; remaining...

Ancestry of “seakeeping”, step by step

seakeeping traces back through two separate lines of ancestry.

via English sea

StepLanguageWordMeaning
1EnglishseaA large body of salt water; A lake, especially if...
2Middle Englishseesea, ocean; A body of water, a lake; seat, chair
3Old Englishsea, lake
4Proto-West Germanicsaiwisea
5Proto-Germanicsaiwizsea, ocean
6Proto-Germanicsīhwanąto filter
7Proto-Indo-Europeanseykʷ-to moisten; to filter
8Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...

via English keeping

StepLanguageWordMeaning
1Englishkeepingconformity or harmony; charge or care;...
2EnglishkeepTo continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain
3Middle Englishkepento keep, guard, look after, watch
4Old Englishcēpanto seize, hold, observe
5Proto-West Germanic*kōpijan
6Proto-Germanickōpijanąto look after, observe; to watch, keep, care for
7Proto-Indo-Europeanǵab-
Every word from Proto-Indo-European sey-