āroha : [m.] climbing up; growth; height; a rider.

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

Āroha ( -- ˚) [fr. ā + ruh] -- 1. climbing up, growth, in- crease, extent, in cpd. ˚pariṇāha length & circumference S ii.206; A i.288; ii.250; iv.397; v.19; J iii.192; v. 299; vi.20; Vbh 345 (˚māna + pariṇāha -- māna); SnA 382. -- 2. one who has climbed up, mounted on, a rider, usually in cpd. ass˚ & hatth˚ horse -- rider & elephantrider S iv.310; A ii.166 = iii.162 (T. ārūha); iv.107; DhsA 305. -- 3. outfit, possession (or increase, as 1?) Sn 420 (vaṇṇ˚).

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

āroha([ā朝向]+[ruh]): 登上
 

巴漢辭典 編者：(斗六) 廖文燦