cater-cornered
adverb
[ ˈkeɪtəˌkɔːnəd ]
• diagonally opposite someone or something.
• "apartments in the renovated building cater-cornered from the church"
cater-cornered
adjective
• situated diagonally opposite someone or something.
• "a cater-cornered shortcut"
Origin:
mid 19th century: from dialect cater ‘diagonally’, from cater denoting the four on dice, from French quatre ‘four’, from Latin quattuor .