तत

In a sentence

• तत्काल समय पर पहुँचने से कार्य सफल होता है।

  Timely arrival ensures success in the task.

  In this sentence, 'तत्काल' means 'immediate,' derived from the combination of 'तत' indicating 'that' (proximal) and 'काल' meaning 'time'.

• ततपश्चात् हम बाजार गए।

  After that, we went to the market.

  'ततपश्चात्' is a compound word where 'तत' means 'that' (referring to a previous event), and 'पश्चात्' means 'afterwards' or 'following.'

• तत्सम शब्दों का ध्यान देने की आवश्यकता है।

  Attention must be paid to Tatsama words.

  'तत्सम' refers to a category of Sanskrit-origin words in Hindi, where 'तत' means 'that' and 'सम' means 'similar,' indicating words that are directly borrowed and retain their original Sanskrit form.