PAL

Ptolemaeus Arabus et Latinus

_ (the underscore) is the placeholder for exactly one character.
% (the percent sign) is the placeholder for no, one or more than one character.
%% (two percent signs) is the placeholder for no, one or more than one character, but not for blank space (so that a search ends at word boundaries).

At the beginning and at the end, these placeholders are superfluous.

Αἰγυπτιακὸν ἔτος ‘Egyptian year’

Greek

References: PH Heiberg: I.5:2, 76:25
Translated into:
Arabic: سنة مصرية [PH Morelon: I.5:2, 21:15]
Modern translations:
English: Egyptian year [PH Hamm: I.5:2, 48:11]