Where does “nonmailable” come from?

nonmailable (English) comes from English mailable, from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis — Forms agent nouns from verbal roots.

nonmailable (English): Not mailable; that cannot be sent by mail

Definitions

  1. Not mailable; that cannot be sent by mail

Ancestry of “nonmailable”, step by step

nonmailable traces back through two separate lines of ancestry.

via English mailable

StepLanguageWordMeaning
1EnglishmailableThat can be sent by mail
2EnglishableEasy to use; Suitable; competent; Liable to
3Middle Englishablecapable, expert, qualified, skilful, competent
4Old Frenchableable; capable
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis
8Proto-Indo-European-elis
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -lós