Kipomito/amitoju

In Akina, kipomito and amitoju are pronouns and compound words that literally means "male with female genitals" and "female with male genitals," respectfully. With ami and kipo behaving as root words that mean "female" and "male" while mito and toju meaning "male genitals" and "female genitals."

History
The closet equivalent for Tony Bark, without being blunt, is Gynomorph and Andromorph, but the those words didn't do Casey Universe justice for him because they literally meant mimicking characteristics of respective opposite sex. Where he needed a word that specially refers to the having the physical reproductive traits of the opposite sex, born or surgical, as his current set of the characters are primarily are "male with female genitals." The only words that existed in English were blunt enough to be censored when used in public. amitoju and kipomito were created out of necessity.

Impact
They created the first use of gender-related words, ami and kipo, respectfully, as none had existed, at that time. While the language's grammar evolved by introducing how compounds work: two words can inherent each other so long as the appending word removes it's first vowel. In the case of kipomito and amitoju, the functional word "with" is implied.