haploid

the term 'haploid' is a modern scientific coinage derived from greek components. the root 'hapl-' originates from the greek 'haplous', meaning single, simple, or single-fold. this was combined with the greek-derived suffix '-oid', meaning 'resembling' or 'having the form of'. the word was constructed in the early 20th century within the field of genetics to precisely describe a cell containing a single set of chromosomes, in contrast to a 'diploid' cell with a double set. thus, the literal meaning "resembling a single (set)" directly and logically conveys its specific biological definition.

Structure: hapl (single) + oid (resembling) hapl (from greek 'haplous', meaning single, simple); oid (from greek '-oeidēs', meaning resembling, like, having the form of)