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.

the supplementary arc‘supplement’

English

References: Alm. Toomer: 50
Translation of:
Greek: αἱ λείπουσαι εἰς το ἡμικύκλιον περιφέρειαι [Alm. Heiberg: I.10, 35:20]
Synonyms:
supplement[Alm. Toomer: 56]
supplement
supplementary[Alm. Toomer: 51]
the degrees of the supplementary arc
the supplement[Plan. Sidoli+Berggren: ?]
the supplement[Alm. Toomer: 53]