fundans

Present active participle of fundō (“found, establish”).

fundāns (genitive fundantis); third-declension one-termination participle

1. founding, establishing, laying the foundation
   • 29 BCE – 19 BCE, Virgil, Aeneid 4.259–261:

     Ut prīmum ālātīs tetigit māgālia plantīs,
     Aenēān fundantem arcēs ac tēcta novantem
     cōnspicit [...].

     As soon as [Mercury], with his winged feet, has reached the outer huts [of Carthage], he spots Aeneas establishing fortifications and building new homes.

2. (figuratively) securing, making firm

Third-declension participle.

¹When used purely as an adjective.