From Middle English sissen, perhaps from Middle Dutch sissen, cissen or Middle Low German sissen (“to hiss; buzz”), of imitative origin. Cognate with Dutch sissen, German Low German zissen, German zischen.
siss (plural sisses)
siss (third-person singular simple present sisses, present participle sissing, simple past and past participle sissed)
From Russian шиш (šiš, “thief, vagabond”). Cognate to Finnish sissi.
siss (genitive sissi, partitive sissi)
| Declension of siss (ÕS type 22e/riik, length gradation) | |||
|---|---|---|---|
| singular | plural | ||
| nominative | siss | sissid | |
| accusative | nom. | ||
| gen. | sissi | ||
| genitive | sisside | ||
| partitive | sissi | sisse sissisid | |
| illative | sissi sississe |
sissidesse sissesse | |
| inessive | sissis | sissides sisses | |
| elative | sissist | sissidest sissest | |
| allative | sissile | sissidele sissele | |
| adessive | sissil | sissidel sissel | |
| ablative | sissilt | sissidelt sisselt | |
| translative | sissiks | sissideks sisseks | |
| terminative | sissini | sissideni | |
| essive | sissina | sissidena | |
| abessive | sissita | sissideta | |
| comitative | sissiga | sissidega | |