Where does “-oil” come from?

-oil (Manx) comes from Middle Irish -amail, from Old Irish -amail, from Old Irish amail, from Old Irish samail, from Proto-Celtic samalis, from Proto-Indo-European sem- — together, one.

-oil (Manx): An adjectival suffix applied to various words,...

Definitions

  1. An adjectival suffix applied to various words,...

Ancestry of “-oil”, step by step

StepLanguageWordMeaning
1Middle Irish-amail-like
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 “-oil”

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