Forms nouns from other nouns and adjectives with the sense of ‘person or thing connected or involved with, belonging to, having’. · Forms adjectives from other nouns and adjectives with the sense of ‘connected or involved with, belonging to, having’.
köken: From Old Irish -ach, from Proto-Celtic *-ākos, from Proto-Indo-European *-eh₂kos, *-eh₂ḱos, from a-stem suffix *-eh₂ + adjectival suffix *-kos, *-ḱos; compare Welsh -og. Doublet of -óg.
aile: -achán, -achas
Éire (“Ireland”) + -ach → Éireannach (“Irish (person)”)
köken: From Arabic عَقْلِي (ʕaqlī, “intellectual”).
aile: ahli bedah, ahli bomba, ahli farmasi, ahli fikir, ahli sains
ahli parlimen
Etimoloji
From Old Armenian բան (ban, “word”). In Old Armenian it was used in Ancient Greek calques for translating λόγος (lógos) in words like θεολόγος (theológos) or θεολογία (theología), which were rendered as աստուածաբան (astuacaban) and աստուածաբանութիւն (astuacabanutʻiwn). The practice continues now in calquing international (Latin) words with -logy, -logist, etc.