The story
- Old English · inherited fromhe he“hee hee”
- Middle English · inherited fromtehee
- English todaytee hee
From Middle English tehee, te he, ti he, alteration of hehe, from Old English he he (“hee hee”).
Words from the same roots
Old Englishhe he all →
hehe
Etymology from Wiktionary, CC BY-SA 4.0.