köken: From Middle High German nāchgān, from Old High German nāhgān, from Proto-West Germanic *nāhwagān. Equivalent to nach- + gehen. Cognate with Dutch nagaan and Hunsrik nohgehn.
to practise (perform or execute a craft or skill) · to engage in, carry out, practise, conduct (perform or observe in a habitual fashion)
çekim: geçmiş harjoittanut · şimdiki harjoittaisi · ulaç harjoittava
köken: From harj- + -oittaa, from Proto-Finnic [Term?] (like harjaantua). Related to Estonian harjuma, possibly also hargnema, Karelian harjavuo, harjoitella, Veps hargeta and harjoitada. Probably unrelated to harja (“brush”).