Old English laðlic "hateful, horrible, unpleasant;" see loath + -ly (2). Similar formation in Old Frisian ledlik, Old Saxon lethlik, Old High German leidlih, Old Norse leiðiligr. Related: Loathliness. As an adverb, Old English laðlice.
loan-translation
loan-word
loath
loathe
loathing
loathly
loathsome
lob
lobar
lobate
lobby