eln

Part of speech: noun
Gender: feminine
Stem: -ō-
ell (the distance from the elbow to the fingertips; a unit of lengths approximately equal to 18 inches / 45.7 centimetres)
Etymology
[Mod E ELLProt-Germ *alīnō, *alinō “ell”; Goth aleina; O Fris elne; O Sax elina; Dt el; OHG elina, elna, elle (Mod G Elle); O Icel ǫln (cf Mod Icel alin) ← Indo-Europ *olinā-, *olīnā-; Sanskr aratní- “elbow”; Avest arəθna- “elbow”; Anc Gr ὠλένη “elbow; forearm”; Lat ulna “elbow; forearm; ell”; O Ir uilen “elbow”; O Prus alkunis “elbow”; O Slav лакъть “elbow; ell” (Russ локоть)]
Paradigm

1.1.2. (a)

(a) short-stemmed version: car-

nouns, -ō- stem, feminine gender
caru
(care)
singular plural
nominative caru cara, care
genitive care cara, carena
dative (instrumental) care carum
accusative care cara, care

The ending -ena in Gen pl is determined by the analogy with the weak declension

(b) long-stemmed version: heord-

nouns, -ō- stem, feminine gender
heord
(ჯოგი; ფარა)
singular plural
nominative heord heorda, heorde
genitive heorde heorda, heordena
dative (instrumental) heorde heordum
accusative heorde heorda, heorde