eti : [i + a] comes.

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

Eti [P. eti represents Sk. eti as well as ā -- eti, i. e. to go and to come (here); with Sk. eti cp. Av. aeiti, Gr. ei)_si, Lat. eo, it; Goth. iddja went, Obulg. iti, Oir. etha] to go, go to, reach; often (= ā + eti) to come back, return Sn 364, 376, 666 (come); J vi.365 (return); ppr. ento J iii.433 (acc. suriyaŋ atthaŋ entaŋ the setting sun); imper. 2nd sg. ehi only in meaning "come" (see separately), 3rd etu D i.60; 2nd pl. etha D i.211; Sn 997; J ii.129; DhA i.95 (in admission formula "etha bhikkhavo" come ye [and be] bhikkhus! See ehi bhikkhu). -- fut. essati J vi.190, 365, & ehiti J ii.153; 2nd sg. ehisi Dh 236, 369. -- pp. ita (q. v.).

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

eti: 1.去 2.到

巴漢辭典 編者：(斗六) 廖文燦

eti- f. arrival , approach cf. RV. x , 91 , 4 ; 178 , 2.

Sanskrit-English Dictionary, by M. Monier William

'thob

[tenses]

• thob/'thob
• 'thob
• thob
• 'thobs

[translation-san] {C} labhate

[translation-san] {MSA} lābha

[translation-san] {C} āgata (e.g.: sūtra-āgata)

[translation-san] {C} eti (=ete)

[translation-san] {MSA} avāpta

[translation-san] {MV} āpti

[translation-san] {MV} anuprāp-

[translation-eng] {Hopkins} get; attain; will get; will attain [future of thob]

[translation-eng] {C} gain; receive; apprehend; come back; reach; handed down (in sūtras); comes; has arrived

[comments] Thumi (p.122) lists 'thob as the present of thob ?? {T}

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary