uncle
noun
[ ˈʌŋk(ə)l ]
• the brother of one's father or mother or the husband of one's aunt.
• "he visited his uncle"
Origin:
Middle English: from Old French oncle, from late Latin aunculus, alteration of Latin avunculus ‘maternal uncle’ (see avuncular).
-uncle
suffix
• forming chiefly diminutive nouns.
• "carbuncle"
Origin:
from Old French -oncle, -uncle, or from Latin -unculus, a special form of -ulus .
cry uncle
• surrender or admit defeat.
• "he fought for a while, but he pretty quickly cried uncle"