Uncertain. Assuming that Proto-Germanic *seuk- is back-formed from the zero-grade in *sukkōną (“to be ill”), Kroonen reconstructs a pre-Germanic *sk-néh₂- and compares Latin sēgnis (“lazy, slow”), Ancient Greek ἦκα (êka, “quietly, slowly”), and Old Irish socht (“silence”), but a precise Proto-Indo-European root for these words is lacking (Kroonen prefers *sek- over *sewk-).
Pokorny suggests Proto-Indo-European *sewg-, *sēwg- (“ill, grievous, sad”), also adding Old Armenian հիւծանիմ (hiwcanim, “to waste away, wither”), but Kroonen rejects comparisons with the Armenian word.
active voice | passive voice | |||||
---|---|---|---|---|---|---|
present tense | indicative | subjunctive | imperative | indicative | subjunctive | |
1st singular | *seukō | *seukaų | — | *seukai | ? | |
2nd singular | *siukizi | *seukaiz | *seuk | *seukazai | *seukaizau | |
3rd singular | *siukidi | *seukai | *seukadau | *seukadai | *seukaidau | |
1st dual | *seukōz | *seukaiw | — | — | — | |
2nd dual | *seukadiz | *seukaidiz | *seukadiz | — | — | |
1st plural | *seukamaz | *seukaim | — | *seukandai | *seukaindau | |
2nd plural | *siukid | *seukaid | *siukid | *seukandai | *seukaindau | |
3rd plural | *seukandi | *seukain | *seukandau | *seukandai | *seukaindau | |
past tense | indicative | subjunctive | ||||
1st singular | *sauk | *sukį̄ | ||||
2nd singular | *sauht | *sukīz | ||||
3rd singular | *sauk | *sukī | ||||
1st dual | *sukū | *sukīw | ||||
2nd dual | *sukudiz | *sukīdiz | ||||
1st plural | *sukum | *sukīm | ||||
2nd plural | *sukud | *sukīd | ||||
3rd plural | *sukun | *sukīn | ||||
present | past | |||||
participles | *seukandz | *sukanaz |