From in + -wards.

• (America) IPA: /ˈɪnwɚdz/
• (RP) IPA: /ˈɪnwədz/

inwards

1. Towards the inside.

• inward

• outwards

• German: nach innen
• Russian: внутрь
• Spanish: adentro

inwards (plural p)

1. Archaic form of innards
   • 1886 May 1 – July 31, Robert Louis Stevenson, Kidnapped, being Memoirs of the Adventures of David Balfour in the Year 1751: […], London; Paris: Cassell & Company, published 1886, →OCLC ↗:

     So I went up and down, and through the street, and down to the harbour-side, like a dog that has lost its master, with a strange gnawing in my inwards, and every now and then a movement of despair.