1. Important derivatives are: fast¹ steadfast,fasten,fast² breakfast
   重要派生词为： fast¹ steadfast,fasten,fast² breakfast
2. Solid, firm.
   稳固的, 坚定的.
1. fast ¹ ; steadfast , from Old English fæst , fixed, firm;
   fast ¹ ; steadfast , 源自 古英语 fæst , 固定的, 牢固的;
2. avast , from Middle Dutch vast , firm, fast. Both a and b from Germanic *fastuz , firm, fast.
   avast , 源自 中古荷兰语 vast , 牢固的, 紧的. a 和 b 都源自 日耳曼语 *fastuz , 坚定的, 牢固的.
3. fasten , from Old English fæstnian , to fasten, establish, from Germanic *fastinōn , to make firm or fast.
   fasten , 源自 古英语 fæstnian , 固定, 制定, 源自 日耳曼语 *fastinōn , 使牢固，或使系紧.
4. handfast , from Old Norse festa , to fix, affirm, from Germanic causative *fastjan , to make firm.
   handfast , 源自 古斯堪的纳维亚语 festa , 固定, 肯定, 源自 日耳曼语 causative *fastjan , 使牢固.
5. fast ² , from Old English fæstan , to abstain from food;
   fast ² , 源自 古英语 fæstan , 绝食;
6. breakfast , from Old Norse fasta , to abstain from food. Both a and b from Germanic *fastēn , to hold fast, observe abstinence.
   breakfast , 源自 古斯堪的纳维亚语 fasta , 绝食. a 和 b 都源自 日耳曼语 *fastēn , 牢牢地把握, 遵守禁例.

1. Pokornypasto- 789.
   波科尔尼pasto- 789.

词根词缀：past-