seirc

love, Irish searc, seirc, Old Irish serc, Welsh serch, Breton serc'h, concubine, Middle Breton serch: *serkâ, *serko-; Gothic saúrga, care, German sorge, sorrow, English sorrow; Sanskrit sûrkshati, respect, reverence, take thought about something. The favourite derivation is to ally it to Greek $$Gstérgw, I love, which would give a Gaelic teirg.