Where does “taiscid” come from?

taiscid (Middle Irish) comes from Old Irish do·coisig, from Old Irish saigid, from Proto-Indo-European séh₂gyeti, from Proto-Indo-European seh₂g- — to seek out.

Ancestry of “taiscid”, step by step

Step	Language	Word	Meaning
1	Old Irish	do·coisig	—
2	Old Irish	saigid	to go towards, to approach; to seek out; to...
3	Proto-Indo-European	séh₂gyeti	to give a sign
4	Proto-Indo-European	seh₂g-	to seek out

Words derived from “taiscid”

taisc
taisg
taisc-chill
tasg-lann

Every word from Proto-Indo-European seh₂g- →Every word from Proto-Indo-European séh₂gyeti →Every word from Old Irish saigid →