This is the 11551st most frequent Turkish word.
eylesin
"May (He/She/It) perform" or "may (He/She/It) do."
In this sentence, 'eylesin' is used to mean 'make something happen' or 'perform' in a blessing context.
Allah seni korusun ve hayırlı işler eylesin.
May God protect you and make your efforts prosperous.
Here, 'eylesin' is used in the sense of 'bestowing' or 'providing' something, in this case, peace to nature.
Kuşlar yuva yapsın, doğaya huzur eylesin.
May the birds build nests and bring peace to nature.
In this case, 'eylesin' implies 'ensuring' or 'maintaining' a state or action, related to health.