Where does “cross-conjugation” come from?

cross-conjugation (English) comes from English cross, from French croix, from German Kreuz, from Spanish Cruz, from Portuguese cruz, from Italian croce, from Latin crux, from Proto-Italic *kruks — to caw, crow.

cross-conjugation (English): The condition when some cells in a given algal filament are active and others passive

Definitions

  1. The condition when some cells in a given algal filament are active and others passive

Ancestry of “cross-conjugation”, step by step

cross-conjugation traces back through two separate lines of ancestry.

via English cross

StepLanguageWordMeaning
1EnglishcrossA geometrical figure consisting of two straight...
2Frenchcroixcross; a representation of a cross; the cross as...
3GermanKreuzcross; clubs; sharp
4SpanishCruzcross
5Portuguesecruzcross
6Italiancrocecross
7Latincruxwooden frame on which criminals were crucified,...
8Proto-Italic*kruks
9Proto-Indo-Europeansḱer-to caw, crow

via English conjugation

StepLanguageWordMeaning
1EnglishconjugationThe coming together of things; union; The...
2Latinconiugationemaccusative singular of coniugātiō
Every word from Proto-Indo-European sḱer-Every word from Proto-Italic *kruksEvery word from Latin crux