Where does “féinchúis” come from?

féinchúis (Irish) comes from Irish cúis, from Middle Irish cúis, from Old Irish caus, from Latin causa, from Old Latin caussa, from Proto-Indo-European kawd-teh₂.

féinchúis (Irish): egotism; self-centeredness; empire-building

Definitions

egotism; self-centeredness; empire-building

Ancestry of “féinchúis”, step by step

Step	Language	Word	Meaning
1	Irish	cúis	cause, reason, source; cause; case
2	Middle Irish	cúis	—
3	Old Irish	caus	—
4	Latin	causa	cause, reason; case, claim, contention; motive,...
5	Old Latin	caussa	cause, reason, purpose; case, claim; Archaic form...
6	Proto-Indo-European	kawd-teh₂	—

Every word from Proto-Indo-European kawd-teh₂ →Every word from Old Latin caussa →Every word from Latin causa →