To buy something is לִקְנוֹת (leek-NOHT). To acquire something, or to purchase, is לִרְכוֹש (leer-KHOHSH). The act of acquiring or purchasing is רְכִישָׁה (re-khee-SHAH).
So the acquiring of a language is רְכִישַׁת שָׂפָה (re-khee-SHAHT sah-FAH). The ה in the word רכישה becomes a ת, as the word is connected to the following word in a linguistic relationship called סְמִיכוּת (smee-KHOOT) - the construct state.
Come acquire the Hebrew language...
...with Ulpan La-Inyan. Classes start this Sunday. Check us out by clicking the image below: