Ratani [Sanskrit aratni "elbow" with apocope and diæresis; given at Abhidh-r-m 2, 381 as "a cubit, or measure from the elbow to the tip of the little finger" The form ratni also occurs in Sanskrit. The etymology is from Indo-Germanic °ole (to bend), cf. Avesta ar°pna elbow; Sanskrit arāla bent; of which enlarged bases °olen in Latin ulna, ond °oleq in Latin lacertus, Sanskrit lakutah. = Pāli laguḷa. See cognates in Walde, Latin Wtb. sub voce lacertus] a cubit Miln 85 (aṭṭha rataniyo).