Where does “-ail” come from?

-ail (Scottish Gaelic) comes from Middle Irish -amhail, from Old Irish -amail, from Old Irish amail, from Old Irish samail, from Proto-Celtic samalis, from Proto-Indo-European sem- — together, one.

-ail (Scottish Gaelic): Of or pertaining to an adjectival suffix applied...

Definitions

  1. Of or pertaining to an adjectival suffix applied...

Ancestry of “-ail”, step by step

StepLanguageWordMeaning
1Middle Irish-amhail—
2Old Irish-amail-like
3Old IrishamailAlternative form of amal; like, as
4Old Irishsamailverbal noun of samlaidir; likeness, similarity;...
5Proto-Celticsamalissimilitude, description
6Proto-Indo-Europeansem-together, one

Words derived from “-ail”

Every word from Proto-Indo-European sem- →Every word from Proto-Celtic samalis →Every word from Old Irish samail →