proximity: [15] Latin proximus meant ‘nearest, next’ (it was the superlative form of an unrecorded *proqe ‘near’, a variant of prope, from which English gets approach and propinquity [14]). From it were formed the verb proximāre ‘come near’, ultimate source of English approximate [15], and the noun proximitās ‘nearness’, from which English gets proximity. => approximate
