Webster's Revised Unabridged Dictionary · 1913

Te-hee

Te-hee , noun and interjection

A tittering laugh; a titter.
'Te-hee,' quoth she. — Chaucer

Te-hee , intransitive verb

To titter; to laugh derisively.
She cried, “Come, come; you must not look grave upon me.” Upon this, I te-heed. — Madame D'Arblay