athome

• antomme, antone, aptome

Borrowed from Latin atomus, itself borrowed from ἄτομος (átomos). The h is unetymological but not unprecedented in Middle French. Compare autheur (no h in the origin Latin auctor).

athome m (plural athomes)

1. atom (in classical philosophy, a tiny indivisible unit)

• French: atome (see there for further descendants)
• → Middle English: attome
  • English: atom
  • Scots: atom

• Etymology and history of “atome”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
• Godefroy, Frédéric, Dictionnaire de l’ancienne langue française et de tous ses dialectes du IX^e au XV^e siècle (1881) (athome, supplement)