Where does “parenthetical” come from?

parenthetical (English) comes from English AL, from Dutch al, from Middle Dutch al, from Old Dutch āl, from Proto-West Germanic all, from Proto-Germanic allaz, from Proto-Indo-European h₂él- — to grow, nourish.

parenthetical (English): using, containing, or within parentheses; that...

Definitions

  1. using, containing, or within parentheses; that...

Ancestry of “parenthetical”, step by step

parenthetical traces back through two separate lines of ancestry.

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish

via Medieval Latin parentheticus

StepLanguageWordMeaning
1Medieval Latinparentheticus

Words derived from “parenthetical

Every word from Proto-Indo-European h₂él-