propinquity
noun
[ prəˈpɪŋkwɪti ]
• the state of being close to someone or something; proximity.
• "he kept his distance as though afraid propinquity might lead him into temptation"
• close kinship.
Similar:
close kinship,
close relationship,
family connection,
blood ties,
consanguinity,
Origin:
late Middle English: from Old French propinquité, from Latin propinquitas, from propinquus ‘near’, from prope ‘near to’.