☸4nt → STED → 6aya

6 āyatana 👁 👂 👃 👅 👆 💭

āyatana: sphere; region; sense-organ; position. (nt.)

AN 4.14 six sense bases operating

👁 cakkhunā rūpaṃ disvā | With-the-eye, [visible]-form (he) sees.
👂 sotena saddaṃ sutvā | With-the-ear, sounds (he) hears.
👃 ghānena gandhaṃ ghāyitvā | With-the-nose, odors (he) smells.
👅 jivhāya rasaṃ sāyitvā | With-the-tongue, flavors (he) tastes
👆 kāyena phoṭṭhabbaṃ phusitvā | With-the-body, tactile-sensations (he) senses.
💭 manasā dhammaṃ viññāya | With-the-mind, ideas (he) cognizes.

AN 4.14: guarding 6 sense doors
AN 10.20: 3rd jhana reacting to 6aya): bhikkhu chaḷ-aṅga-samannāgato hoti? cakkhunā rūpaṃ disvā (with) eyes, form (he) sees, neva su-mano hoti na dum-mano, neither elated nor distressed, upekkhako viharati sato sampajāno. {he abides as} an equanimous-observer, (a) rememberer, (a) lucid-discerner.
MN 18: Cakkhu + rūpe + viññāṇaṃ → phasso → vedeti (vedanā) → sañjānāti → vitakketi → papañceti
eye + forms + consciousness → contact → feel → perceive → think → proliferate
SN 35.28: fire sermon, 6aya on fire: Cakkhu, bhikkhave, ādittaṁ, “(The) eye, (is) burning, rūpā ādittā, forms (are) burning, cakkhu-viññāṇaṁ ādittaṁ, eye-consciousness (is) burning, ...
SN 56.14: first noble ☸ truth expressed as 6aya = dukkha 💩(instead of standard 5uk): dukkhaṃ ariyasaccaṃ = ‘cha ajjhattikāni āyatanānī’