Where does “orthologous” come from?

Orthologous comes from English -logy combined with Ancient Greek ὀρθός, tracing back through Latin -osus and Proto-Indo-European h₃r̥dʰwós derived from the root h₃erdʰ- with the suffix -wós.

orthologous (English): exhibiting orthology; having been separated by a...

Definitions

  1. exhibiting orthology; having been separated by a...

Ancestry of “orthologous”, step by step

StepLanguageWordMeaning
1EnglishorthologyCorrect speaking or the correct use of words;...
2EnglishlogySlow to respond or react; lethargic; A term...
3Dutchloglumbering, inert, slow in movement; immobile;...
4EnglishlogThe trunk of a dead tree, cleared of branches;...
5Middle Englishloggelarge long stick, staff, pole, log
6Old Frenchlogearbor, covered walk-way; arbour, covered walk-way
7Latinlaubĭapenthouse, gallery, arcade, portico, lodge
8Frankishlaubijāshelter; arbour; shelter, arbour; arbour, shelter
9Proto-West Germaniclaubleaf; foliage
10Proto-Germaniclaubąleaf
11Proto-Indo-Europeanlewp-peel, break off; to flake off, peel, damage; to...
12Proto-Indo-Europeanlew-dirt, mud; to cut, remove, prune, separate; to...

Words derived from “orthologous

Every word from Proto-Indo-European lew-Every word from Proto-Indo-European lewp-Every word from Proto-Germanic laubą