simple past tense and past participle of self-select

Selecting oneself for something. / Selecting something for oneself. / (countable) An item selected by oneself.

plural of self-selection

present participle of self-select

Third-person singular simple present indicative form of self-select

To make a choice for oneself. / (linguistics, intransitive) To take one's turn in a conversation by electing to speak.