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aftermost

[ af-ter-mohst, ahf- or, especially British, ahf-ter-muhst ]
/ ˈæf tərˌmoʊst, ˈɑf- or, especially British, ˈɑf tər məst /
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adjective

Also called aft·most [aft-mohst, -muhst, ahft-] /ˈæftˌmoʊst, -məst, ˈɑft-/ .Nautical. farthest aft: The aftermost sail is called a spanker.

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Origin of aftermost

First recorded before 900; after + -most; replacing Middle English aftermest, itself replacing Old English æftemest, equivalent to æfteme- (cognate with Gothic aftuma “last”; æfte (see aft1) + -m- superlative suffix) + (-e)st superlative-forming adjective suffix; see -est1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for aftermost

aftermost
/ (ˈɑːftəˌməʊst) /

adjective

closer or closest to the rear or (in a vessel) the stern; last
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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