Where does “spillway” come from?

Spillway comes from English spill and way, with way tracing to Old English weġ, Proto-Germanic spillijaną, and Proto-Indo-European weǵʰ- meaning to move or carry.

spillway (English): A path designed to take away overflow safely

Definitions

  1. A path designed to take away overflow safely

Ancestry of “spillway”, step by step

spillway traces back through two separate lines of ancestry.

via English Way

StepLanguageWordMeaning
1EnglishWayChristianity
2Middle Englishway
3Old Englishweġway; path; way, road, path
4Proto-West Germanicwegway, road
5Proto-Germanicwēgazwave; sea
6Proto-Indo-Europeanweǵʰ-to bring; to transport

via English spill

StepLanguageWordMeaning
1EnglishspillTo drop something so that it spreads out or makes...
2Middle EnglishspillenTo slaughter, eliminate; to cause the death of;...
3Old Englishspillanto destroy; spill
4Proto-Germanicspillijanąto split
5Proto-Indo-Europeanspel-to break; to break off, split; to cleave, break
Every word from Proto-Indo-European weǵʰ-Every word from Proto-Germanic wēgazEvery word from Proto-West Germanic weg