Where does “alloploidy” come from?

alloploidy (English) comes from English ploidy, from English polyploidy, from English polyploid, from English -ploid, from English diploid, from English -oid, from Latin -oides, from Greek -ο — to see, to look, to observe.

Ancestry of “alloploidy”, step by step

alloploidy traces back through two separate lines of ancestry.

via English ploidy

StepLanguageWordMeaning
1EnglishploidyThe number of homologous sets of chromosomes in a...
2EnglishpolyploidyThe condition of being polyploid or the process...
3EnglishpolyploidHaving more than the usual number of complete...
4English-ploidIndicating the number of homologous sets of...
5EnglishdiploidOf a cell, having a pair of each type of...
6English-oidOf similar form to, but not the same as. Having...
7Latin-oides-like, -form
8Greek-οending for accusative singular forms (eg δρόμος, ψήφος); and some vocative singular forms
9Ancient GreekεἶδοςThat which is seen: form, image, shape;...
10Spanish-scopio-scope
11Latin-scopium
12Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
13Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
14Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
15Proto-Hellenicsképťomaito look at
16Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
17Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English allo

StepLanguageWordMeaning
1EnglishalloAlternative spelling of 'allo
2EnglishallosexualDirected toward or involving another person...
3Englishallo-different, other; isomeric; especially, of amino...
4Ancient Greekἄλλοςother, another, different, else; in combination...
5Ancient GreekκρίνωTo separate, divide, part, distinguish between...
6Proto-Hellenickríňňō
7Proto-Indo-Europeankrinyéti
8Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European speḱ-