C16: from Old English oxta; related to Old High German Ahsala, Latin axilla
oxter in American English
(ˈɑkstər)
noun
Scot & Northern English
the armpit
Word origin
[1490–1500; akin to OE ōcusta armpit, ON (h)ōstr throat]This word is first recorded in the period 1490–1500. Other words that entered Englishat around the same time include: adopt, announce, bulkhead, filler, passport