Where does “depthwise” come from?

depthwise (English) comes from English depth, from Middle English depthe, from Old English dīepþ, from Proto-Germanic diupiþō, from Proto-Germanic deupaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

depthwise (English): Directed across the depth of an object or place;...

Definitions

  1. Directed across the depth of an object or place;...

Ancestry of “depthwise”, step by step

depthwise traces back through two separate lines of ancestry.

via English depth

StepLanguageWordMeaning
1Englishdepththe vertical distance below a surface; the degree...
2Middle EnglishdeptheDeepness; the measurement of depth; The depths;...
3Old Englishdīepþdepth
4Proto-Germanicdiupiþōdeepness, depth
5Proto-Germanicdeupazdeep
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English wise

StepLanguageWordMeaning
1EnglishwiseShowing good judgement or the benefit of...
2Middle Englishwyswise, thoughtful, proper; knowledgeable; alert,...
3Old Englishwīswise
4Proto-Germanicwīsazwise, knowledgeable
5Proto-Indo-Europeanweydstosknowledgeable
6Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Germanic deupaz