English
fieldset
From field + set, the name of an HTML element.
Proto-Germanic *felþuz ‘field’
Proto-West Germanic *felþu ‘field’
Old English feld ‘field’
Middle English feld ‘field’
English field
Proto-Indo-European *sed- ‘to sit’
…
Proto-Germanic *satjaną ‘to set’
Proto-West Germanic *sattjan ‘to set’
Old English settan ‘to set’
Middle English setten ‘to seat’
English set
Today it means
noun A group of related user interface controls that make up one portion of a form.
Language periods are conventional ranges, not dates for this word.
Etymograph / fieldset