Ayo & Aya (nt.) [Sk. ayaḥnt. iron & ore, Idg. *ajes -- , cp. Av. ayah, Lat. aes, Goth. aiz, Ohg. ēr (= Ger. Erz.), Ags. ār (= E. ore).] iron. The nom. ayo found only in set of 5 metals forming an alloy of gold (jātarūpa), viz. ayo, loha (copper), tipu (tin), sīsa (lead), sajjha (silver) A iii.16 = S v.92; of obl. cases only the instr. ayasā occurs Dh 240 (= ayato DhA iii.344); Pv i.1013 (paṭikujjita, of Niraya). -- Iron is the material used kat)e)coxh/n in the outfit & construction of Purgatory or Niraya (see niraya & Avīci & cp. Vism 56 sq.). -- In compn. both ayo˚ & aya˚ occur as bases.

I. ayo˚: -- kapāla an iron pot A iv.70 (v. l. ˚guhala); Nd2 304 iii. d 2 (of Niraya). -- kūṭa an iron hammer PvA 284. -- khīla an iron stake S v.444; M iii.183 = Nd2 304 iii. c; SnA 479. -- guḷa an iron ball S v.283; Dh 308; It 43 = 90; Th 2, 489; DA i.84. -- ghana an iron club Ud 93; VvA 20. -- ghara an iron house J iv.492. -- paṭala an iron roof or ceiling (of Niraya) PvA 52. -- pākāra an iron fence Pv i.1013 = Nd2 304 iii. d 1. -- maya made of iron Sn 669 (kūṭa); J iv.492 (nāvā); Pv i.1014 (bhūmi of N.); PvA 43, 52. -- muggara an iron club PvA 55. -- sanku an iron spike S iv.168; Sn 667.

II. aya˚: -- kapāla = ayo˚ DhA i.148 (v. l. ayo˚). -kāra a worker in iron Miln 331. -- kūṭa = ayo˚ J i.108; DhA ii.69 (v. l.). -- nangala an iron plough DhA i.223; iii.67. -- paṭṭaka an iron plate or sheet (cp. loha˚) J v.359. -- paṭhavi an iron floor (of Avīci) DhA i.148. -- sanghāṭaka an iron (door) post DhA iv.104. -- sūla an iron stake Sn 667; DhA i.148.