English

isofield

From iso- + field.

Formed from iso- + field

Ancient Greek ἴσος ‘equal’

English iso-

Proto-Germanic *felþuz ‘field’

Proto-West Germanic *felþu ‘field’

Old English feld ‘field’

Middle English feld ‘field’

English field

Today it means

noun A region of identical field strength (especially that of a magnetic field)

Language periods are conventional ranges, not dates for this word.

Etymograph / isofield