tāṇa : [nt.] protection; refuge; shelter.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Tāṇa (nt.) [from Vedic root trā, variation of *ter in tarati. Orig. bringing or seeing through] shelter, protection, refuge, esp. as tt. of shelter & peace offered by the Dhamma. Mostly in combn with leṇa & saraṇa (also dīpa & abhaya), in var. contexts, esp. with ref. to Nibbāna (see Nd2 s. v.): D i.95 (˚ŋ, etc. gavesin seeking refuge); A i.155; S iv.315 (maŋtāṇa, etc. adj. protected by me, in my shelter). -- S i.2, 54, 55, 107 (˚ŋ karoti); iv.372 (˚gāmī maggo); A iv.184; Sn 668 (˚ŋ upeti); Dh 288; J i.412 (=protector, expld by tāyitā parittāyitā patiṭṭhā); Sdhp 224, 289. Cp. tātar & tāyati.

Pali-English Dictionary, TW Rhys Davids, William Stede,