(たね)

たね
noun
seed, source, material
1. seed
The unit of reproduction in plants.
(はな)(たね)()く。
To sow flower seeds.
ひまわりの(たね)()べる。
To eat sunflower seeds.
(にわ)野菜(やさい)(たね)()いた。
I sowed vegetable seeds in the garden.
2. source, cause
The origin or cause of something.
(なや)みの(たね)になる。
To become a source of worry.
(わら)いの(たね)になった。
It became a source of laughter.
あの事件(じけん)心配(しんぱい)(たね)だ。
That incident is a cause for concern.
3. material, topic
Subject matter for discussion or creation.
(はなし)(たね)
A topic of conversation.
ニュースの(たね)(さが)す。
To look for news material.
旅行(りょこう)(はなし)がいい(たね)になって、会話(かいわ)(はず)んだ。
The travel stories made great material, and the conversation livened up.

(たね) has both literal (seed) and figurative (source/topic) meanings.

LITERAL USES (seeds):

  • (たね)()く: to sow seeds
  • (たね)()る: to save/harvest seeds
  • ひまわりの(たね): sunflower seeds
  • (はな)(たね): flower seeds

FIGURATIVE USES (source/cause):

  • (はなし)(たね): topic of conversation
  • (わら)いの(たね): source of laughter
  • 心配(しんぱい)(たね): cause of worry
  • (なや)みの(たね): source of trouble
  • ニュースの(たね): news material

IDIOM:
(たね)仕掛(しか)けもない: no tricks (literally 'no seeds or mechanisms' - used by magicians)

RELATED:

  • (なえ): seedling (plant that has sprouted)
  • (): fruit, seed (of fruit)