Word Meaning
सको
sako
Meaning
Are able to; can (subjunctive/imperative form of 'sakna' for 'you').
Detailed Meaning
The word 'sako' is the second-person plural or polite potential/subjunctive form of the modal auxiliary verb 'saknā' (to be able to). In this couplet by Mir, it appears in the compound construction 'rah sako' (if you can stay/endure), offering the companion a choice or assessing their ability to remain behind while the poet departs on life's relentless journey.
Etymology
From Sanskrit 'शक्' (śak, to be able / capable), through Prakrit 'सक्कइ' (sakkaï) into Old Hindi/Hindustani 'saknā'.
Usage
In classical ghazal poetry, 'sako' frequently pairs with primary verb stems (like 'rah', 'kar', 'keh') in conditional clauses to express potential, challenge, or regret.
Examples
If you can endure, stay with me
Say it if you are able to tell