köken: Learned borrowing from Ancient Greek ἀγένειος (agéneios, “beardless, boyish”) from privative ἀ- (“not”) + γένειον (géneion, “beard”). By surface analysis, α- + γένι (“beard in Modern Greek”).
köken: Etymology tree Proto-Indo-European *bʰers-? Proto-Indo-European *bʰardʰéh₂ Proto-Italic *farβā Latin barba Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in- Latin -is Latin in- -is Latin imberbis From barba + in- -is.
Etymology tree Latin sineder. Esperanto sen Esperanto sen- Esperanto barbo Esperanto -a Esperanto senbarba From sen- (“without”) + barbo (“beard”) + -a (adjectival suffix).