Where does “Hertfordshire” come from?

Hertfordshire derives from Old English Herutford, a place name combining herutaz (hart, a male deer) from Proto-Germanic and ford (river crossing) from Old English, with herutaz ultimately descending from Proto-Indo-European ḱerh₂-.

Hertfordshire (English): An inland county of south-east England bordered by Cambridgeshire, Essex, Greater London, Buckinghamshire and Bedfordshire

Definitions

  1. An inland county of south-east England bordered by Cambridgeshire, Essex, Greater London, Buckinghamshire and Bedfordshire

Ancestry of “Hertfordshire”, step by step

StepLanguageWordMeaning
1EnglishHertfordOS grid ref TL3212
2Middle EnglishhertA hart; A depiction of a hart, including in...
3Old Englishheorotdeer, stag
4Old Englishfordford
5Proto-West Germanicfurduford
6Proto-Germanicfurduzford
7Proto-Indo-Europeanpértuscrossing
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pértus