inarch

 
Pronunciation: /ɪnˈɑːtʃ/

verb

[with object] Horticulture
  • graft (a plant) by connecting a growing branch without separating it from its parent stock: this infestation can be countered by inarching a tolerant rootstock

Origin:

early 17th century (formerly also as enarch): from en-1, in-2 'into' + the verb arch1