Where does “espe” come from?

espe (Old Irish) comes from Old Irish ess-, from Old Irish léicid, from Proto-Celtic linkʷīti, from Proto-Indo-European linékʷti, from Proto-Indo-European leykʷ- — to leave.

espe (Old Irish): uselessness, vanity, folly; idleness, play,...

Definitions

uselessness, vanity, folly; idleness, play,...

Ancestry of “espe”, step by step

Step	Language	Word	Meaning
1	Old Irish	ess-	ex-, out; privative prefix: non-, -less
2	Old Irish	léicid	to leave, abandon, release, let go; to let,...
3	Proto-Celtic	linkʷīti	to leave, to leave behind
4	Proto-Indo-European	linékʷti	to be leaving
5	Proto-Indo-European	leykʷ-	to leave

Every word from Proto-Indo-European leykʷ- →Every word from Proto-Indo-European linékʷti →Every word from Old Irish ess- →