From hybrid + -ity.
hybridity (countable and uncountable, plural hybridities)
- Synonym of hybridism
2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide[1], page 10:One reason for the popularity of portmanteau words in naming language hybrids may be the fact that the names themselves embody a type of hybridity.
