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.

eastern / from the quarter of the east wind (LSJ) ‘eastern (wind)’

English

References: TB Robbins: 41
Translation of:
Greek: ἀπηλιωτικός [TB Robbins: 1:6, 20]