gendict: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/gendict - from package: icu-devtools

You may install the required package with command apt-get install {package}

Error in other languages:
gendict: bevel nie gevind nie
gendict: comandă negăsită
gendict: comando não encontrado
gendict: commande introuvable
gendict: command not found
gendict: käsku ei ole
gendict: không tìm thấy lệnh
gendict: komanda nerasta
gendict: Kommando nicht gefunden.
gendict: kommandot finns inte
gendict: komut yok
gendict: nie znaleziono polecenia
gendict: níor aimsíodh an t-ordú
gendict: no se encontró la orden
gendict: no s'ha trobat l'ordre
gendict: opdracht niet gevonden
gendict: parancs nem található
gendict: perintah tidak ditemukan
gendict: príkaz nenájdený
gendict: příkaz nenalezen
gendict: команда не найдена
gendict: командата не е открита
gendict: 命令找不到
gendict: コマンドが見つかりません