yean

v.（動詞）
yeaned,yean.ing,yeans
v.intr.（不及物動詞）
To bear young. Used of sheep and goats.
產(chǎn)幼仔。用于綿羊和山羊
v.tr.（及物動詞）
To give birth to; bear. Used of sheep and goats.
生小羊：生；產(chǎn)。用于綿羊和山羊

來源：
Middle English iyenen, yenen
中古英語 iyenen, yenen
from Old English *geôanian
源自 古英語 *geôanian
ge- [verb pref.] * see yclept
ge- [動詞前綴] *參見 yclept
ôanian [to bear young]
ôanian [生幼仔]