Proto-IE: *kā-, *kā-r-
Meaning: dear; lover
Tokharian: śār- 'köstlich, angenehm', A krant, B krent 'gut'
Old Indian: kā́yamāna- 'gern habend', cā́ru- `agreeable, beloved, endeared', cāyú- 'begehrend'
Avestan: kā- 'wonach verlangen'
Latin: cārus, -a `lieb, teuer, wert, hoch im Preise'
Celtic: OIr caraim 'liebe', cara(t) 'Freund'
Russ. meaning: любимый; любовник
References: WP I 325 f
piet-prnum,piet-meaning,piet-tokh,piet-ind,piet-avest,piet-balt,piet-germ,piet-lat,piet-celt,piet-rusmean,piet-refer,