Otashdon, oshdon, k o n u n, kura. m a n q a l, d e g d o n, joest, ki dar on otash afruzand. Otashdonro dar ibtido baroi khurokpazi, nonpazi, garm kardani khona va gayra istifoda meburdand. Bo mururi zamov vazifai Otashdon tagyir yofta, namudhoi gunoguni on, ba monandi Otashdoni ananavii zamini ba vujud omadand. Baroi sokhtani Otashdoni zamini zaminro qadre kofta devorai onro bo gili otashbardor andova mekardand. Dar devorahoi in guna Otashdon non niz mepukhtand. Chunin Otashdon chakhlak nom doshga, asosan dar janubi Tojikiston mamul bud.
Dar shimoli respublika boshad, ba girdogirdi Otashdoni koftashuda du-se qator khisht yo kulukh chida, devorchae mebardorand va ba rui on deg meguzorand. Chunin Otashdonhoro tanho baroi khurokpazi istifoda mebarand. Otashdoni zaminiro boz az khisht yo kulukh sokhta bo loyi pashmdor andova mekunand. Otashdoni umumiro dar khona mesokhtand. Dar rayonhoi janub Otashdon muri nadosht, dud az surokhii saqfi khona mebaromad. Dar shimoli Tojikiston dar binoi Otashdon dud kash (mury) sokhta meshud.
Bo maqsadi kam kardani dud ba joi Otashdoni umumi Otashdoni taompazi ba vujud omad. Otashdon nisbat ba Otashdoni umumi khurdtar buda, kamtar dud mebarovarl. Odatan dar pahlui Otashdoni taompazi Otashdoni choyjushoni va manqal niz mesokhtand, ki hajman khurd ast. Holo beshtar Otashdoni ohanin silindrshakl mesozand, ki on se yo chor poya dorad va onro har jo burdan mumkiya ast.