Vibhaṅgasutta

Suttapiṭaka · Saṁyuttanikāya · Nidānavaggasaṁyutta · Vol. 16 · Section 13

[13] And what, bhikkhus, are the six sense bases (saḷāyatana)? The eye base (cakkhāyatana), the ear base, the nose base, the tongue base, the body base, the mind base — this, bhikkhus, is called the six sense bases (āyatana).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.