Haha
来自Big Physics
natural utterance: first recorded in Old English (compare with ha1).
wiktionary
Onomatopoeic.
French haha. French term attested 1686 in toponyms in New France (present-day Quebec); compare modern Saint-Louis-du-Ha! Ha!. Usual etymology is that an expression of surprise – “ha ha” or “ah! ah!” is exclaimed on encountering such a boundary. In France this is traditionally attributed to the reaction of Louis, Grand Dauphin to encountering such a feature in the gardens of the Château de Meudon. English term attested 1712, in translation by John James of French La theorie et la pratique du jardinage (1709) by Dezallier d'Argenville:
