יָסַף

From LSJ

ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστεθηρίονθεός → a man who is incapable of entering into partnership, or who is so self-sufficing that he has no need to do so, is no part of a state, so that he must be either a lower animal or a god | whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god

Source

English (Strong)

a primitive root; to add or augment (often adverbial, to continue to do a thing): add, X again, X any more, X cease, X come more, + conceive again, continue, exceed, X further, X gather together, get more, give more-over, X henceforth, increase (more and more), join, X longer (bring, do, make, much, put), X (the, much, yet) more (and more), proceed (further), prolong, put, be (strong-) er, X yet, yield.