Where does “orthocousin” come from?

orthocousin (English) comes from English cousin, from Middle English cosyn, from Old French cosin, from Latin cōnsōbrīnus, from Latin cōn-, from Latin cum, from Old Latin com, from Proto-Italic kom — to bend; curve; arch; vault; to bow, bend, arch,...

orthocousin (English): Any of two or more cousins who are the children of siblings of identical gender, i.e. children of brothers or of sisters

Definitions

  1. Any of two or more cousins who are the children of siblings of identical gender, i.e. children of brothers or of sisters

Ancestry of “orthocousin”, step by step

orthocousin traces back through two separate lines of ancestry.

via English cousin

StepLanguageWordMeaning
1EnglishcousinThe child of a person's uncle or aunt; a first...
2Middle EnglishcosynA member of one's family; one's partner, relative...
3Old Frenchcosincousin
4Latincōnsōbrīnusa first cousin, cousin-german
5Latincōn-Used in compounds to indicate a being or bringing together of several objects
6Latincumwith, along with; at; -fold
7Old LatincomAlternative form of cum
8Proto-Italickomwith, along, at
9Proto-Indo-Europeanḱómbeside, near, by, with
10Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
11Middle Englishkyt
12Germankittputty certain kinds of cement used for fixing e.g. window panes
13Old High Germankuti
14Proto-West Germanickwidugum, resin
15Proto-Germanickweduzresin
16Proto-Indo-Europeangʷet-resin, gum; to say, speak
17Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European gū-