Where does “contraisolateral” come from?

contraisolateral (English) comes from English isolateral, from English iso-, from Ancient Greek ῐ̓́σος, from Ancient Greek βάρος, from Ancient Greek βαρύς, from Proto-Hellenic gʷarus, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

contraisolateral (English): contralateral and isolateral

Definitions

  1. contralateral and isolateral

Ancestry of “contraisolateral”, step by step

contraisolateral traces back through two separate lines of ancestry.

via English isolateral

StepLanguageWordMeaning
1EnglishisolateralHaving similar upper and lower surfaces
2Englishiso-equal; forms terms relating to isomers; forms...
3Ancient Greekῐ̓́σοςequal
4Ancient Greekβάροςweight, burden, load; grief, sorrow; plenty
5Ancient Greekβαρύςheavy, weighty; heavy, burdensome, oppressive;...
6Proto-Hellenicgʷarusheavy
7Proto-Indo-Europeangʷréh₂usheavy
8Proto-Indo-European-usForms adjectives from Caland system roots

via English Contra

StepLanguageWordMeaning
1EnglishContraA member of any of various rightist guerrilla...
2Latincontrāagainst
3Latinubīwhere? in what place?, in which place?
4Latincubī
5Proto-Italic*kʷuðeiwhere
Every word from Proto-Indo-European -usEvery word from Proto-Indo-European gʷréh₂usEvery word from Proto-Hellenic gʷarus